Berkeley argues that claims about divine predication (e.g., God is wise or exists) should be understood literally rather than analogically, because like all spirits (i.e., causes), God is intelligible only in terms of the extent of his effects. By focusing on the harmony and order of nature, Berkeley thus unites his view of God with his doctrines of mind, force, grace, and power, and avoids challenges to religious claims that are raised by appeals to analogy. The essay concludes by showing (...) how a letter, supposedly by Berkeley, to Peter Browne ("discovered" in 1969 by Berman and Pittion) is, in fact, by John Jackson (1686-1763), controversial theologian and friend of Samuel Clarke. (shrink)

For Berkeley, minds are not Cartesian spiritual substances because they cannot be said to exist (even if only conceptually) abstracted from their activities. Similarly, Berkeley's notion of mind differs from Locke's in that, for Berkeley, minds are not abstract substrata in which ideas inhere. Instead, Berkeley redefines what it means for the mind to be a substance in a way consistent with the Stoic logic of 17th century Ramists on which Leibniz and Jonathan Edwards draw. This view of mind, I (...) conclude, is definitely not the bundle theory that some critics have portrayed it as being. (shrink)

Instead of focusing on the Malebranche-Edwards connection regarding occasionalism as if minds are distinct from the ideas they have, I focus on how finite minds are particular expressions of God's will that there be the distinctions by which ideas are identified and differentiated. This avoids problems, created in the accounts of Fiering, Lee, and especially Crisp, about the inherently idealist character of Edwards' occasionalism.

Commentators have not said much regarding Berkeley and Stoicism. Even when they do, they generally limit their remarks to Berkeley’s Siris (1744) where he invokes characteristically Stoic themes about the World Soul, “seminal reasons,” and the animating fire of the universe. The Stoic heritage of other Berkeleian doctrines (e.g., about mind or the semiotic character of nature) is seldom recognized, and when it is, little is made of it in explaining his other doctrines (e.g., immaterialism). None of this is surprising, (...) considering how Stoics are considered arch-materialists and determinists. My aim is to suggest that our understanding of Berkeley’s philosophy is improved significantly by acknowledging its underlying Stoic character. I argue that Berkeley proposes not only a semantic ontology based on assumptions of Stoic logic but also a doctrine in which perceptions or ideas are intelligible precisely because they are always embedded in the propositions of a discourse or language. (shrink)

Berkeley's doctrine of archetypes explains how God perceives and can have the same ideas as finite minds. His appeal of Christian neo-Platonism opens up a way to understand how the relation of mind, ideas, and their union is modeled on the Cappadocian church fathers' account of the persons of the trinity. This way of understanding Berkeley indicates why he, in contrast to Descartes or Locke, thinks that mind (spiritual substance) and ideas (the object of mind) cannot exist or be thought (...) of apart from one another. It also hints at why Gregory of Nyssa's immaterialism sounds so much like Berkeley's. (shrink)

For Berkeley, a thing's existence 'esse' is nothing more than its being perceived 'as that thing'. It makes no sense to ask (with Samuel Johnson) about the 'esse' of the mind or the specific act of perception, for that would be like asking what it means for existence to exist. Berkeley's "existere is percipi or percipere" (NB 429) thus carefully adopts the scholastic distinction between 'esse' and 'existere' ignored by Locke and others committed to a substantialist notion of mind. Following (...) the Stoics, Berkeley proposes that, 'as' the existence of ideas, minds "subsist" rather than "exist" and, accordingly, cannot be identified as independently existing things. (shrink)

Since nothing about God is passive, and the perception of pain is inherently passive, then it seems that God does not know what it is like to experience pain. Nor would he be able to cause us to experience pain, for his experience would then be a sensation (which would require God to have senses, which he does not). My suggestion is that Berkeley avoids this situation by describing how God knows about pain “among other things” (i.e. as something whose (...) identity is intelligible in terms of the integrated network of things). This avoids having to assume that God has ideas (including pain) apart from his willing that there be perceivers who have specific ideas that are in harmony or not in harmony with one another. (shrink)

Berkeley's immaterialism has more in common with views developed by Henry More, the mathematician Joseph Raphson, John Toland, and Jonathan Edwards than those of thinkers with whom he is commonly associated (e.g., Malebranche and Locke). The key for recognizing their similarities lies in appreciating how they understand St. Paul's remark that in God "we live and move and have our being" as an invitation to think to God as the space of discourse in which minds and ideas are identified. This (...) way of speaking about God, adapted by Karl Barth and Paul Tillich, opens up new ways to think about the relation between God and finite minds. (shrink)

Berkeley's doctrines about mind, the language of nature, substance, minima sensibilia, notions, abstract ideas, inference, and freedom appropriate principles developed by the 16th-century logician Peter Ramus and his 17th-century followers (e.g., Alexander Richardson, William Ames, John Milton). Even though Berkeley expresses himself in Cartesian or Lockean terms, he relies on a Ramist way of thinking that is not a form of mere rhetoric or pedagogy but a logic and ontology grounded in Stoicism. This article summarizes the central features of Ramism, (...) indicates how Berkeley adapts Ramist concepts and strategies, and chronicles Ramism's pervasiveness in Berkeley's education, especially at Trinity College Dublin. (shrink)

Clues about what Berkeley was planning to say about mind in his now-lost second volume of the Principles seem to abound in his Notebooks. However, commentators have been reluctant to use his unpublished entries to explicate his remarks about spiritual substances in the Principles and Dialogues for three reasons. First, it has proven difficult to reconcile the seemingly Humean bundle theory of the self in the Notebooks with Berkeley's published characterization of spirits as “active beings or principles.” Second, the fact (...) that Berkeley did not publish his Notebooks insights on mind has led some to claim that he later rejected his early views. Third, many of the Notebooks entries on mind have a ‘+’ sign next to them, which has been understood for decades to comprise a Black List of views about which Berkeley had doubts or subsequently rejected. In my dialogue, I describe how Berkeley's “congeries” account of mind (1) differs from Hume's bundle theory in a way that complements Berkeley's published remarks and (2) undercuts the claim that he later rejected his early views. Most importantly, (3) I show how a careful analysis of the British Library manuscript of the Notebooks refutes the Black List hypothesis. (shrink)

By focusing on the exchange between Descartes and Hobbes on how the self is related to its activities, Berkeley draws attention to how he and Hobbes explain the forensic constitution of human subjectivity and moral/political responsibility in terms of passive obedience and conscientious submission to the laws of the sovereign. Formulated as the language of nature or as pronouncements of the supreme political power, those laws identify moral obligations by locating political subjects within those networks of sensible signs. When thus (...) juxtaposed with Hobbes, Berkeley can be understood as endorsing a theologically inflected version of deontological ethics in which moral laws are linked directly to the constitution of the self. (shrink)

In several essays I have argued that Berkeley maintains the same basic notion of spiritual substance throughout his life. Because that notion is not the traditional (Aristotelian, Cartesian, or Lockean) doctrine of substance, critics (e.g., John Roberts, Tom Stoneham, Talia Mae Bettcher, Margaret Atherton, Walter Ott, Marc Hight) claim that on my reading Berkeley either endorses a Humean notion of substance or has no recognizable theory of substance at all. In this essay I point out how my interpretation does not (...) assume that Berkeley adopts a bundle theory of mind, but instead redefines what it means for a simple substance to be the principle by which ideas are perceived. (shrink)

Instead of interpreting Berkeley in terms of the standard way of relating him to Descartes, Malebranche, and Locke, I suggest we consider relating him to other figures (e.g., Stoics, Ramists, Suarez, Spinoza, Leibniz). This allows us to integrate his published and unpublished work, and reveals how his philosophic and non-philosophic work are much more aligned with one another. I indicate how his (1) theory of powers, (2) "bundle theory" of the mind, and (3) doctrine of "innate ideas" are understood in (...) a way significantly different from that found in the standard account. (shrink)

(Original French text followed by English version.) For Berkeley, mathematical and scientific issues and concepts are always conditioned by epistemological, metaphysical, and theological considerations. For Berkeley to think of any thing--whether it be a geometrical figure or a visible or tangible object--is to think of it in terms of how its limits make it intelligible. Especially in De Motu, he highlights the ways in which limit concepts (e.g., cause) mark the boundaries of science, metaphysics, theology, and morality.

How do people decide what category an artifact belongs to? Previous studies have suggested that adults and, to some degree, children, categorize artifacts in accordance with the design stance, a categorization system which privileges the designer’s original intent in making categorization judgments. However, these studies have all been conducted in Western, technologically advanced societies, where artifacts are mass produced. In this study, we examined intuitions about artifact categorization among the Shuar, a hunter-horticulturalist society in the Amazon region of Ecuador. We (...) used a forced-choice method similar to previous studies, but unlike these studies, our scenarios involved artifacts that would be familiar to the Shuar. We also incorporated a community condition to examine the possible effect of community consensus on how artifacts are categorized. The same scenarios were presented to university student participants in the UK. Across populations and conditions, participants tended to categorize artifacts in terms of a creator’s intent as opposed to a differing current use. This lends support to the view that the design stance may be a universal feature of human cognition. However, we conclude with some thoughts on the limitations of the present method for studying artifact concepts. (shrink)

This paper subjects Dan Brown’s most recent novel Origin to a philosophical reading. Origin is regarded as a literary window into contemporary technoscience, inviting us to explore its transformative momentum and disruptive impact, focusing on the cultural significance of artificial intelligence and computer science: on the way in which established world-views are challenged by the incessant wave of scientific discoveries made possible by super-computation. While initially focusing on the tension between science and religion, the novel’s attention gradually shifts to the (...) increased dependence of human beings on smart technologies and artificial intelligence. Origin’s message, I will argue, reverberates with Oswald Spengler’s The Decline of the West, which aims to outline a morphology of world civilizations. Although the novel starts with a series of oppositions, most notably between religion and science, the eventual tendency is towards convergence, synthesis and sublation, exemplified by Sagrada Família as a monumental symptom of this transition. Three instances of convergence will be highlighted, namely the convergence between science and religion, between humanity and technology and between the natural sciences and the humanities. (shrink)

In der Korrespondenz mit Clarke ist Leibniz' Standardargument gegen die Annahme, daß Raum und Zeit absolut seien, daß Gott sich bei der Wahl des zu erschaffenden Universums gezwungen sähe, gegen das Prinzip des zureichenden Grundes zu verstoßen, wenn diese Annahme richtig wäre: Bloße Unterschiede in räumlicher und zeitlicher Hinsicht ergeben keinen Vorteilsunterschied, und da Gott nur aus Vorteilsgründen handelt, sind solche Unterschiede nicht möglich. Leibniz stellt dieses Argument als ausschließlich abhängig vom Prinzip des zureichenden Grundes dar, eine gängige Interpretation ist (...) aber, daß dies Prinzip determinierte Objekte göttlicher Wahl nur dann ergibt, wenn ein ergänzendes Prinzip von Kontingenz hinzutritt. Diese Auslegung muß falsch sein, wenn Leibniz hier authentisch bleibt, und insofern wäre doch das Prinzip des zureichenden Grundes eher als irgendein Prinzip des Besten Leibniz' Prinzip der Kontingenz. (shrink)

Speech and thought about what the law is commonly function in practical ways, to guide or assess behavior. These functions have often been seen as problematic for legal positivism in the tradition of H.L.A. Hart. One recent response is to advance an expressivist analysis of legal statements (Toh), which faces its own, familiar problems. This paper advances a rival, positivist-friendly account of legal statements which we call “quasi-expressivist”, explicitly modeled after Finlay’s metaethical theory of moral statements. This consists in a (...) descriptivist, “rule-relational” semantics combined with a pragmatic account of the expressive and practical functions of legal discourse. We argue that this approach is at least as well-equipped as expressivism to explain the motivational and prescriptive features of “internal” legal statements, as well as a fundamental kind of legal disagreement, while being better positioned to account for various “external” uses of the same language. We develop this theory in a Hartian framework, and in the final part of the paper argue (particularly against Toh’s expressivist interpretation) that Hart’s own views in The Concept of Law are best reconstructed along such quasi-expressivist lines. (shrink)

Master's Dissertation -/- (Awarded Distinction from Warwick University – assessed by Professors Stephen Houlgate and Christine Battersby, 2002).

The work under consideration addresses a fundamental problem in cognitive neuroscience and social science. Although both aim to explain and understand human action, their explanatory tools are so divergent that our theories are riddled with conceptual gaps. Both fields are moreover permeated by old-fashioned action theory and folk psychology, which explain and understand action in terms of mind-reading and attributing beliefs, desires, and intentions to others. While these theories may work pragmatically in navigating our social world, they are increasingly questioned (...) as a basis for our theorizing. These and other problems within both disciplines have long held back a much-needed multidisciplinary approach to human action from gaining traction. Turner’s book aims to set it free. In this review I assess the book based on the key argumentative steps in Turner’s analysis, rather than providing a chapter-by-chapter overview. (shrink)

Authors from all over the world unite in an effort to cultivate dialogue between Asian and Western philosophy. The papers forge a new, East-West comparative path on the whole range of issues in Kant studies. The concept of personhood, crucial for both traditions, serves as a springboard to address issues such as knowledge acquisition and education, ethics and self-identity, religious/political community building, and cross-cultural understanding. Edited by Stephen Palmquist, founder of the Hong Kong Philosophy Café and well known (...) for both his Kant expertise and his devotion to fostering philosophical dialogue, the book presents selected and reworked papers from the Kant in Asia conference, held in Hong Kong in May 2009. In addition to keynote essays by Patricia Kitcher (Columbia), Günter Wohlfart (Wuppertal), and Cheng Chung-ying (Hawaii), the book contains 64 contributed essays. The latter include contributions from Andrew Brook, David Cummiskey, Rainer Enskat, Wolfgang Ertl, Hans Feger, Klaus-Gerd Giesen, Ronald Green, Martin Moors, Ulrich Seeberg, Susan Shell, Rein Vos, Günter Zoeller, and numerous Asian philosophers. (shrink)

In a recent essay, Donald Dripps advanced what he calls a “commodification theory” of rape, offered as an alternative to understanding rape in terms of lack of consent. Under the “commodification theory,” rape is understood as the expropriation of sexual services, i.e., obtaining sex through “illegitimate” means. One aim of Dripps's effort was to show the inadequacy of consent approaches to understanding rape. Robin West, while accepting Dripps's critique of consent theories, criticizes Dripps's commodification approach. In its place, (...) class='Hi'>West suggests a more phenomenological approach. The author argues that neither Dripps nor West offers convincing critiques of consent-based theories; the alternatives they offer presuppose the vitality of a consent-based approach to understanding rape; and that both Dripps and West consistently conflate more general moral and political issues with that of the nature of rape. (shrink)

In this essay several challenges are raised to the project of classifying Śāntideva’s ethical reasoning given in his Bodhicaryāvatāra, or Guide to the Way of the Bodhisattva, as a species of ethical theory such as consequentialism or virtue ethics. One set of difficulties highlighted here arises because Śāntideva wrote this text to act as a manual of psychological transformation, and it is therefore often difficult to determine when his statements indicate his own ethical views. Further, even assuming we can identify (...) a set of statements that accurately portray the moral position of Śāntideva, it is argued that these statements underdetermine which foundational normative theory should be ascribed to him. (shrink)

How should we interpret the Constitution? The “positive turn” in legal scholarship treats constitutional interpretation, like the interpretation of statutes or contracts, as governed by legal rules grounded in actual practice. In our legal system, that practice requires a certain form of originalism: our system’s official story is that we follow the law of the Founding, plus all lawful changes made since. Or so we’ve argued. Yet this answer produces its own set of questions. How can practice solve our problems, (...) when there are so many theories of law, each giving practice a different role? Why look to an official story, when on-the-ground practice may be confused or divided—or may even make the story ring false? And why take originalism as the official story, when so many scholars and judges seem to reject it? This Essay offers a response to each. To the extent that legal systems are features of particular societies, a useful theory will have to pay attention to actual social practice, including the aspects of legal practice we describe. This positive focus really can resolve a great many contentious legal disputes, as shared legal premises lead to conclusions that might surprise us or that ultimately establish one side in a dispute as correct. The most serious challenge to our view is the empirical one: whether originalism is or isn’t the official story of our law. Stripped of their jurisprudential confusion, though, the best competing accounts of our law seem to have far less supporting evidence than our own account. Focusing on social practice as it stands today turns out to direct our attention to the Founders and to the changes over time that their law has recognized. (shrink)

In their response to our article (Keestra and Cowley, 2009), Hacker and Bennett charge us with failing to understand the project of their book Philosophical Foundations of Neuroscience (PFN; Bennett and Hacker, 2003) and do this by discussing foundationalism, linguistic conservatism and the passivity of perception. In this rebuttal we explore disagreements that explain the alleged errors. First, we reiterate our substantial disagreement with Bennett and Hacker (B&H) regarding their assumption that, even regarding much debated concepts like ‘consciousness’, we can (...) assume conceptual consensus within a community of competent speakers. Instead, we emphasize variability and divergence between individuals and groups in such contexts. Second, we plead for modesty in conceptual analysis, including the use of conceptual ambiguities as heuristics for the investigation of explanatory mechanisms. Third, we elucidate our proposal by discussing the interdependence of perception and action, which in some cases appear to be problematic for PFN. Fourth, we discuss why our view of conceptual innovation is different from B&H’s, as we plead for linking explanatory ingredients with conceptual analysis. We end by repeating our particular agreement with their mereological principle, even though we present different reasons: psychological concepts should not be applied to mere components or operations of explanatory mechanisms, for which another vocabulary should be developed. (shrink)

Mill’s socialism and democratic theory have led some scholars to accuse him of trying to eliminate conflict from political life. Whereas Graeme Duncan has averred that Mill’s socialism aims to institute a completely harmonious society, James Fitzjames Stephen has contended that Millian democracy sought to evacuate conflict from political discussion. This article reconstructs both critiques and argues they are imprecise. Even if disputes motivated by redistribution of material goods would no longer exist in an egalitarian society, conflicts driven by (...) resentment over social reputation would keep the flame of conflict burning in a Millian socialist community. Moreover, a close reading of Considerations on Representative Government shows that Mill knew that no amount of political discussion is able to make conflicting opinions disappear. According to him, conflict is unavoidable in democratic politics because citizens analyse political issues from different social perspectives. Mill’s goal was not to eliminate conflict, but rather to regulate it in such a way as to bring about its attendant benefits, namely, progress and self-development. (shrink)

Graduates' employability indicates the excellent education and relevant preparation they obtained from their respective degrees. Tracer studies have enabled higher education institutions to profile their graduates while also reflecting on the quality of education they provide. With the foregoing, a tracer study determined the demographic and academic profile of teacher education graduates from 2017 to 2020 in a state university in the West Philippines. It also ascertained the advanced studies they attended after college, their employment data, the relevance of (...) college preparation with their current employment, difficulties they encountered while securing employment and in their present job, and recommendations to strengthen the teacher education program. The study utilized a descriptive survey research design with 80 non-random samples chosen based on availability. The survey was based on the Philippine Commission on Higher Education with modifications elucidated from previous studies. Results showed that graduates took the teacher education program with a strong passion for the teaching profession. More graduates received honors and awards, passed the licensure examinations for teachers, attended advanced studies for professional development, and are employable. Besides, the graduates’ college preparation is relevant to their current employment. Further, difficulties and problems encountered and recommendations to strengthen the teacher education program were noted. These findings may serve as a baseline for curriculum review and give suggestions for future tracer studies. (shrink)

In this article, I aim to do two things: first, introduce Juche, the official philosophy of the Democratic People’s Republic of Korea (“North Korea”), and second, defend Juche against Alzo David-West’s allegation that it is a nonsensical philosophy. I organize David-West’s complaints into two major strands—that Juche’s axiom is too vague to be of philosophical use and that Juche makes too stark a distinction between human vs. everything else—and offer responses to both strands. My goal isn’t to defend (...) the regime, but to present its ideology in the most charitable way so its merits and demerits can be seen more clearly in future engagements. (shrink)

1 Introduction1 In the 1980s, hermeneutics was often incorporated into deconstructionism and literary theory. Rather than focus on authorial intentions, the nature of writing itself including codes used to construct meaning, socio-economic contexts and inequalities of power,2 Gadamer introduced a different perspective; the interplay between effects of history on a reader’s understanding and the tradition(s) handed down in writing. This interplay in which a reader’s prejudices are called into question and modified by the text in a fusion of understanding and (...) topic revitalized the study of the printed word. Gadamer’s turn to language for understanding the meaning of Being also appealed to the post-modern antipathy toward modernity and metaphysics.3 If the truth and validity of interpretations are limited to communities of language, then our mode of being in history cannot but be historical. This point of view rendered Gadamer’s phenomenological hermeneutics vulnerable to the critique of moral and epistemological relativism. However, Gadamer’s theory of interpretation also stems from re-examination of the beginning of knowledge in the Pre-Socratics and Plato, and on this basis, is receptive to another dimension of inquiry than that which was trending in North America. -/- At the East-West Center, University of Hawai’i at Manoa in 1982, Chung-ying Cheng for the first time introduced onto-hermeneutics to an audience of esteemed philosophers including Li Zehou, Ren Jiyu, Feng Youlan, and Zhang Liwen.4 In contrast to schools of deconstruction and literary theory that had disengaged the interpreter from trans-historical sources of meaning and truth, Cheng explained that interpreters exist within a cosmological order inextricable from responsibility to harmonize Heaven and Earth in creative acts of interpretation. By integrating Chinese cosmology into hermeneutics through ontology, he tacitly challenged philosophers in the West to re-examine assumptions about humanity’s place in nature and by implication, Gadamer’s recovery of the beginnings of knowledge in Western philosophy. -/- Cheng’s Neo-Confucianism is inspired by the method and goals of Thomé H. Fang. The following words by Fang seem to prefigure, although in an indistinct and bundled way, aspects of Cheng’s philosophy including a Mencian theory of human nature, comprehensive observation, and creativity: “In the very process of living in concord with creative Nature, Man is charged with an ideal to be fully realized in the light of the principle of comprehensive harmony.”5 Like Fang, Cheng reinvigorates Chinese culture and language, but not solely in order to vindicate the insights of Neo-Confucianism. He has studied Western thought, from pragmatism and the analytic school to German idealism and phenomenology, to unlock and clarify philosophical concepts within the Yijing tradition and thereby render them intelligible to Anglophones. The result has been an awakening of Western scholars to the moral and cultural consequences of decoupling their thought from metaphysical foundations that are neither dogmatic nor doctrinal. -/- Not unlike the dialectic of Gadamer’s dialogue form, onto-generative hermeneutics integrates contrary positions on the same topic in order to blend both sides into a world philosophy, or as Cheng says, a “totalizing or integrative theory,”6 not to be confused with a theoretical rewording of a theory. On the contrary, the universal scope and relevance of hermeneutics stems from personal experience. Just as Gadamer, in response to faction and strife, immersed himself in Plato during the war years, and developed a method with which to harmonize opposites, so too, according to On-cho Ng, was Cheng moved by faction, strife and political persecution to develop a path toward unity.7 Gadamer taught at McMaster University in Hamilton, Ontario, and Cheng at the University of Hawai’i at Manoa among other institutions in North America. They facilitated trans-continental educational and cultural ties. Similar experiences yield similar insights irrespective of differences of time and place. Hence, authors in this issue who reside in Europe, China and North America, delineate the differences between Gadamer and Cheng, yet also, in light of Cheng’s onto-generative method and cosmology, develop integrative theories. Due to the page-budget restriction of the publisher, certain articles of this special theme will be subsequently published in the next issue. -/- 2 Integrative Theory This special issue of The Journal of Chinese Philosophy confirms a dimension of hermeneutics that Cheng has both motivated and inspired. The contributors do not abide by the conviction that since thought is mediated by language, interpretations cannot transcend culture. On the contrary, their research exemplifies the fruits of trans-historical onto-dialogical hermeneutics within limits defined by their field inquiry, organized into Parts I and II, around three themes: language, the philosophy of history and ethics. -/- Andrew Fuyarchuk introduces the theme of ontology in relation to Gadamer’s turn to language. Fuyarchuk argues that Chung-ying Cheng’s criticism of Gadamer’s hermeneutics is informed by Heidegger’s concept of Dasein and thereby overlooks how Gadamer’s Platonic-Pythagorean problem of the division between the One and Many is harmonized in the event of language, which in turn positions Gadamer in proximity to the presupposed grounds of receptivity in Cheng’s onto-generative hermeneutics. Lauren Pfister’s contributing article addresses the year 2000 meeting between Cheng and Gadamer in Heidelberg and expands the transhistorical grounds of meaning in Gadamer to matters of theology. Pfister’s summary of the written Chinese record of their conversation indicates that Cheng does not address the role of Christian philosophy and hence, the role of the inner word in Gadamer’s hermeneutics. This is important not only for detecting changes in Cheng’s philosophical development, but also for modifying his hermeneutics along the lines of a living conversation, possibilities explored by Pfister in a sequel to the article submitted to this issue. Nevertheless, by raising the issue of how Gadamer’s turn to language for understanding the meaning of Being extends possibilities in Cheng’s thought, Pfister anticipates the article by Katarina Gajdosova. She returns to the roots of Chinese thought during the Warring States period and broadens the meaning of names in recently excavated texts. Contrary to the conventions about how to understand terms, she appeals to both Heidegger’s ontology and Cheng’s notion of receptivity and creativity to reinterpret naming in relation to cosmology. Along the same lines, insofar as the event of Being is lingual, Jay Goulding captures its emergent structure in an evolving community of scholars and scholarship. He recalls his philosophical journey toward Cheng’s philosophy that begins in conversations with Gadamer at McMaster University in Hamilton, leads to Heidegger and Asian thought, expands into turning points with teachers and colleagues from various backgrounds that by increments contributed to Goulding’s formulation of “Daoist phenomenology.” -/- Although differing traditions guide their inquiries and research, Cheng and Gadamer recall the wisdom of the past to ameliorate the fragmentation in contemporary life. This leads them to re-examine the origins of philosophy; historical roots and thus sources of creative re-interpretations East and West whose affinities are developed in contributions by Hyun Höchsmann and Friederike Assandri. Höchsmann assesses convergences and divergences in the origins of Chinese and Western philosophy (Confucius and Socrates, the Yijing and Pre-Socratics) that culminates in pairing Gadamer’s understanding of paideia in the context of Plato’s political cosmology in the Timaeus with moral and social cultivation in The Western Inscription. She delineates the limits of this comparison which in turn justifies introducing Vattimo’s notion of locality. Assandri’s comparative analysis moves between India and China, Buddhism and Tang Daoism. Based on Gadamer’s argument that writing detaches concepts from their cultural moorings, she defines and applies three levels of understanding in onto-generative hermeneutics to Buddhist terms that were assimilated into the Benji Jing and in so doing clarifies essential dimensions of Daoism. -/- Contributions by Stephen Palmquist and Nicholas Brasovan position Cheng in relation to Kant and Gadamer by way of Aristotle’s ethics respectively. On the one hand, Palmquist plots Cheng’s evolving criticism of Kant’s moral philosophy and draws on crucial dimensions of Gadamer’s hermeneutics to reposition that criticism in a constructive relation to Kant’s emphasis on the philosophical conditions of morality while also indicating how religious dimensions of his thought answer Cheng’s concerns for lived moral action. For Palmquist, Gadamer enables a constructive criticism of Cheng. On the other hand, Brasovan compares Cheng’s Yijing-based account of moral deliberation with Gadamer’s Aristotelian-based ethics and reasons that in contrast to Cheng, Gadamer’s hermeneutical consciousness is disengaged from practical knowledge. For Brasovan, Cheng is a constructive critic of Gadamer. Palmquist and Brasovan’s divergent angles on Gadamer and Cheng map onto a dialectic of contrast and complementarity that constitutes the inner logic of Cheng’s philosophy. In other words, Gadamer and Cheng ought to be read alongside one another for the sake of removing discrepancies and contradictions, which constitutes the organic structure of their thinking. -/- 3 Our Mode of Being in History Is Not Historical The conversations between Cheng and Gadamer in this issue of The Journal of Chinese Philosophy pivot on language, philosophy of history and ethics within a comparative framework of analysis, but also explore the grounds that make the comparisons possible. Those grounds are informed by Chinese cosmology, and function to wrest Gadamer from the shadow of Heideggerian facticity and reposition him within the range of Cheng’s ideas about our place in nature that is embedded in his question about how mind emerges from inorganic matter.8 -/- For Gadamer scholars of Heidegger, human finitude, our ownmost individuating death ensures that hermeneutics is always open to the other as other, always on the way toward understanding the meaning of Being. To arrest the process in a concept of “the Absolute” cannot but represent someone’s point of view, and thereby render hermeneutics indistinguishable from ideology. However, insofar as finitude is defined by them in terms of an onto-theological concept of immorality, finitude is a metaphysical concept consistent with epistemologies and confuse beings with the meaning of Being. As a result, the celebrated political value of hermeneutics to always be on the way toward an understanding of the meaning of Being admits subtle variations on the same worldview that are insufficiently self-critical. -/- Gadamer scholars of Heidegger are right. A transformation in ethos and opening to the meaning of Being depends on awareness of finitude. Yet this awareness does not yield openness to more of the same, i.e., discourse structurally incapable of coming to unity but instead, for both Gadamer and Cheng, openness to a distinctly different ontological dimension of reality. As Sandra Wawrytko and So-Seong Park indicate,9 this ontological dimension is prefigured in the experience of being-as-a-whole or the totality of all possible relations in both Chinese totemic shamanistic rituals,10 and Greek Dionysian festivals.11 Through these religious experiences human ethos and therefore consciousness is expanded and elevated from being centered on one’s ownmost concerns toward an affinity with all sentient beings from insects and plants to animals. The channel for this affinity is an auditory disposition and hence, the emotions, compassion, and feeling response. -/- The capacity for an auditory disposition, or as Gadamer calls it, listening consciousness to respond to the inter-relationality and therefore inherent balance of nature is developed through music, song and dance of the religious rituals and festivals. They facilitate the unity of mind with nature. This use of music, that transforms ordinary consciousness, explains Cheng’s emphasis on the receptivity of feeling response in comprehensive observation, and Gadamer’s emphasis on openness to the other in attunement. However, an auditory disposition characteristic of pre-literate oral cultures that reveals the “All” need not rely on religion. As theorists about the evolution of language have explained,12 modern languages preserve their pre-historical past in music or prosody. That is to say, the song and dance that revealed the totality of inter-related beings to an ethos of comprehensive observation and attunement toward beings in classical civilizations is retained in the back-and-forth movement or rhythm of the dialogue form. Our mode of being in history is a mode of being in nature – through the music of language. -/- While alerting the reader to the limits of a nominalist interpretation, Gadamer expresses the inner law of the nature as follows: “in perishing there is always becoming, and in becoming there is always perishing.”13 Considered in process, opposites generate and blend into each other. This law of nature applies to everything.14 Hence, in a manner comparable to Pfister’s concluding insights, onto-dialogical hermeneutics is not only open to discrete events of otherness but moreover, to the moving structure of reality expressed, as Gajdosova suggests, in the existential moment of naming. Considered as interplay of tension and resolution with a life of its own, the dialectic of a dialogue is self-similar to the way in which an organism grows (by instinct). There is, therefore, a sense in which the art of interpretation extends the human mind into the eternal cycles of nature such that we participate in the articulation of the inner telos/homeostasis toward which all beings strive and importantly for Gadamer scholars of Heidegger, within the material limits of energy to which our embodied minds are self-evidently subject. In mortality there is always immortality. (shrink)

Ebola is a deadly disease with no cure; there is no vaccine developed yet. Many died during the 2014 outbreak in West Africa, and many healthcare professionals went to the virus infected area to treat the patients while placing their lives in danger. Not every medical professional placed in the field is a fully trained specialist, and sometimes one or two under-trained doctors are in charge of the entire clinic with some nurses and operating technicians. When unexpected outbreaks of (...) the virus occur in the places, the doctor(s) would encounter medical and ethical dilemmas. Should they leave or stay? In fact, this dilemma is not confined to the Ebola pandemic but relevant to all similar cases. In this paper, three authors, a medical resident, a clinical bioethicist, and a theoretical bioethicist respond to the dilemma. (shrink)

Rabindranath Tagore (1861–1941), at about the start of the nineteenth century, was advocat‐ ing that the study about religion has to be included in university‐level education in the East. The university he envisioned and founded (Visva‐Bharati) included in its curriculum such a study. Shortly a er India’s regaining independence in 1947 and becoming a secular state, that institution was inaugurated as a central university with an advanced institute for philosophy and the study of religion. This essay answers whether his understanding (...) of studying religion would accommodate the approach to the academic study of religion associated with the mod‐ ern Western research university. It also inquires the extent that the curriculum for the study of religion at Visva‐Bharati evidences such an approach. The answers it advances draw primarily on his two essays, Eastern University and Hindu University, which o er his vision of univer‐ sity level education; on commissioned reports for higher level education in the new India as a secular state; on developments in the academic study of religion in the West, especially the United States; on the relatively recent revised curriculum for such a study at Visva‐Bharati University; and on ideas of social imaginary and the comparative study of religion articulated by Western scholars. (shrink)

In the December 2015 Issue of the Police Journal Sam Poyser and Rebecca Milne addressed the subject of miscarriages of justice. Cold case investigations can address some of these wrongs. The salient points for attention are those just before his sudden death: Milligan was appointed Private Secretary to Jonathan Aitken, the then Minister of Arms in the Conservative government in 1994. The known facts are as follows: 1. Stephen David Wyatt Milligan was found deceased on Tuesday 8th February 1994 (...) at his Chiswick, West London house where he lived alone. His body was found by his secretary Vera Taggart who was told by Julie Kirkbride where a spare key to his London house was kept and who decided to go to his house that day because he was not answering his telephone. Police said he had made one last telephone call on Saturday evening at 9.00pm. 2. Stephen David Wyatt Milligan had been the elected Member of Parliament (‘MP’) for Eastleigh in Hampshire since 1992. 3. The important topics this MP was addressing in 1994 at the time of his death included: (i) rail privatization plans and the impact through job losses on communities, especially his own constituency of Eastleigh; (ii) arms dealings with Saudi Arabia, especially with his previous intelligence gathered as an economics journalist for esteemed publications; (iii) the UK military industry; (iv) homosexuality among senior government Ministers, as revealed by British footballer Fasanu; (v) personal relationship and planned marriage to his fiancée (Julie Kirkbride) who at the time was a political journalist. 4. Stephen Milligan was also appointed as Parliamentary Private Secretary to Jonathan Aitken, Arms Minister and this position must have required that he came ‘up to speed’ on international arms trade and indeed its relation to bribery and corruption across jurisdictions. Milligan’s experience and knowledge as a former high-level political and economics journalist must have been of huge benefit to government minister Jonathan Aitken who was later imprisoned for perjury. 5. Regarding Stephen Milligan’s death in 1994, the Guardian newspaper in their immediate obituary said that ‘The death of one of the government's most outspoken and loyal supporters will pose a stiff electoral test for the Tories to surmount. He was on the left of the Tory party - he had even had a brief flirtation with the SDP when it was formed - and was a noted Euro-enthusiast… the death of one of the government's most outspoken and loyal supporters will pose a stiff electoral test for the Tories to surmount. Regarding Stephen Milligan’s sudden and unexpected death in 1994, MP David Willetts (Conservative, Havant) said in March 2015, in his address in the House of Commons. ‘…The inevitable ups and downs and triumphs and disasters of politics are among the great features of this place. There are colleagues in all parts of the House who are tolerant and understanding. There are friendships that keep the downs as well as the ups of politics in perspective. Having entered the House in 1992, I think particularly of two good friends, Judith Chaplin and Stephen Milligan, who both died within two years of being elected; that loss stayed with me for a long time...’ 6. On 28 February 2000, in the House of Commons, at Column 106, Mr Mike Hancock (Portsmouth) said, on the deaths of Michael Colvin and of Stephen Milligan MP: ‘I knew Michael Colvin for nearly 30 years, from when he was first elected to Hampshire county council. During my time as leader of that council, he and the late former Member of Parliament for Eastleigh, Stephen Milligan, were usually the only Members of Parliament who readily supported the council when necessary. Michael Colvin supported many ventures in the county of Hampshire. He will be missed here, in his constituency, and in Europe, and I stress that Hampshire has lost a staunch supporter. I am sure that the county will at some stage want to record its regret at his death and its deepest appreciation of the part that he played in its life....’ -/- Mike Hancock had, like Stephen Milligan, served on the Select Committee on Defence. It is interesting that he mentioned Stephen Milligan’s support as MP for Eastleigh when Milligan had only been so appointed a couple of years before his sudden death, as compared to 30 years of support from Mike Colvin. 7. Mr Andrew Robathan (for Blaby) said in the House of Commons Hansard Debates on 27 January1997, (Column 62) (on the registering of sex offenders): ‘I remember the death of my honourable friend Stephen Milligan, who represented Eastleigh. The press reports of the time stated that each Metropolitan police station had a police officer in the pay of newspapers. I do not know whether that is true, but I am aware that the police are not renowned for being entirely secure with their information…’ This statement is mischievous and it has been demonstrated time and time again, as being untrue, especially during the recent press inquiry leading to the four-volume Leveson Report, published in November 2012, into phone hacking and the ethics and culture of the UK media, pursuant to section 26 of the Inquiries Act 2005, and ordered by the House of Commons to be printed on 29 November 2012, ISBN: 9780102981063, by the Stationery Office Limited on behalf of the Controller of Her Majesty’s Stationery Office. In Volume 4 of the 2012 Leveson Report, chapter 4 concluded on the Press Complaints Commission (‘PCC’) and its effectiveness and revealed that the PCC does not initiate its own investigations other than those ‘needed to head off criticism of the press or self-regulation- or to accept complaints from third parties across the board and on a transparent basis… and the report states that ‘the resources of the police are limited’ in terms of being able to fully inspect the Press and media reports. (shrink)

A case to be taken up by the Criminal Appeals Commission because the decision of the appeal court was flawed- a miscarriage of justice against Dr Stephen Hamilton, formerly, a most respected senior family general practitioner.

This chapter examines Bertrand Russell’s various confrontations with Bergson’s work. Russell’s meetings with Bergson during 1911 would be followed in 1912 by the publication of Russell’s earliest polemical pieces. His 1912 review of Bergson’s Laughter ridicules the effort to develop a philosophical account of humour on the basis of some formula. In his 1912 “The Philosophy of Bergson”, Russell develops a series of objections against Bergson’s accounts of number, space, and duration. Bergson’s position is defended against Russell’s onslaught by H. (...) W. Carr (1913) and Karin Costelloe-Stephen (1914), though Russell only replies to the former. By contrast to Bergson’s silence in the face of Russell’s criticisms, Russell would continue responding to Bergson’s views in multiple works during the 1910s and 1920s. As this chapter shows, Russell not only develops further objections against specific theses upheld by Bergson, but also comments upon the political implications of Bergson’s philosophy, as well as its positioning within the history of French philosophy. (shrink)

Stephen Cox writes of the complexities that guided this well-known columnist, literary critic, best-selling novelist, avid reader, and intellectual, Mary Isabel Bowler Patterson, better known as Isabel Paterson or “I.M.P.” This edited collection includes a well-chosen selection of her essays, reviews, and letters. Combining both formal and colloquial prose, Paterson’s writings incorporated quips about such people as Sinclair Lewis and Henry David Thoreau, as well as candid discussions of William F. Buckley, Jr., Buffalo Bill, and Cecil Rhodes. The more (...) than one hundred names mentioned in the collection included such diverse figures as Virginia Woolf, John Pierpont Morgan, H.G. Wells, Henry Hazlitt, and Jasper Elliot Crane. (shrink)

About death, grief, mourning, life after death and immortality. Why should we die like humans to survive as a species. -/- "No one wants to die. Even people who want to go to heaven don't want to die to get there. And yet death is the destination we all share. No one has ever escaped it. And that is as it should be, because Death is very likely the single best invention of Life. It is Life's change agent. It clears (...) out the old to make way for the new." (Steve Jobs) -/- CONTENTS: -/- Death - Philosophy of death - Religions - - Animism - - Atheism - - Buddhism - - Christianity - - Hinduism - - Islam - - Jainism - - Jehovah's Witnesses - - Judaism - - Latter-day Saints - - Spiritism - Symbolism - Personification of Death - - Notable personifications - - In mythologies - - - Hindu mythology - - - In Japan - - - Slavic paganism - - - Lithuanian paganism - - In the three monotheistic religions - - - Judaism - - - Christianity - - - In Mexico - - - Islam - Axiochos - - The characters of dialogue - - Dialogue - - Prologue - - Arguments - - Citations - Paradise - - Greco-Roman mythology - - Mesopotamian mythology and influences - - According to Judaism - - According to Christianity - - - According to Catholicism - - - According to Protestantism - - - According to the Church of Jesus Christ of Latter-day Saints - - According to Islam - - According to Hinduism - - According to modern spiritualities - - - According to the esoteric - Hell - - Mesopotamian origins - - According to Christianity - - - Names appearing in the biblical texts - - - Medieval artistic representations - - - Concepts according to Christian movements - - According to Judaism - - According to Islam - - According to Buddhism - - According to Hinduism - - According to modern esotericism - - - According to Aïvanhov - - - According to Allan Kardec - - Philosophy - - - Jewish Kabbalah - - - Sartre - - - Popular wisdom Funerals - The funeral ritual: a rite of passage - Prehistory - Ancient death customs - - The family bereavement - - Mummification - - Sarcophagi - - Funerals - - Ancient Greece - - Ancient Rome - - Celts, Germans and Scandinavians - Religious funeral rites - - Buddhism - - Judaism - Christianity - - Protestantism - - Islam - Funeral rites by continent - - In Africa - - In Europe - The contemporary era - Mourning (Grief) - - Steps - - - Death of a close - - Loss events without mourning value (white factors) - - Duration and manifestations - - Risks - - Colors - Graveyards (Cemeteries) - - First cemeteries - - Cemeteries today - Funerary art - Dolmens - - Types of dolmens - - Function - - Location - Passage graves - Cenotaphs - - Famous cenotaphs - Lanterns of the Dead Afterlife - History - Questions about death and immortality - Testimonials - - Spiritualistic experiences - - Popular literature on the afterlife - - "Memories" and reminiscences - - Early studies of the science of the 19th century and early 20th century - Types of scenarios - Some religious and philosophical concepts - - Afterlife in Buddhism - - Afterlife in Christianity - - According to Hinduism - - According to Islam - - According to Judaism - - According to Mormonism - - According to the ancient philosophies - - According to Spiritism - - According to Native American traditions - - According to Vedism - - According to Esotericism - In science - Near-death experiences - - Clinical death - - NDE frequency - - Effects of depth of NDE on survival - - Near-death experiences and shared-death experience - - - The first contemporary testimonials - - - Experience according to Moody - - - The concept of "shared death" - - - The NDE scales - - The study of Pim van Lommel - - Spiritual and patient point of view - - - Survivalists studies - - - The religious understanding of the phenomenon - - Scientific views - - - Physiological explanation - - - Psychological explanation - Reincarnation - - Religions - - - In Hinduism - - - In Jainism - - - In Buddhism - - - In Judaism - - - In Christianity - - - In Islam - - In contemporary times - - - Esotericism - - - Works of the psychiatrist Ian Stevenson - - - Radical increase in life expectancy and artificial reincarnation - - Criticism - - - Arthur Schopenhauer - - - Ramana Maharshi - - - Rene Guenon - - - Ananda Kentish Coomaraswamy - Metempsychosis - - Theories - - Ideas - Maschalismos Immortality - Immortality of the soul and religious traditions - - Buddhism - - Christianity - - Islam - - Mormonism - Contemporary perception of the immortality of the body - - Observation in the animal kingdom - - Perspectives for mankind - Immortality in science - - Alexis Carrel - - Jean Rostand - - Hayflick limit - - Étienne-Émile Baulieu and DHEA - - Aubrey de Grey - - Professor Skulachev - - Regenerative medicine - - Professor Christopher Jaeger - Eternal Return - - According to the Mesopotamians - - According to Heraclitus and the Stoics - Fountain of Youth - - History of myth and relatives myths - - - In Roman mythology, Germanic, Celtic and Irish - - - In the Middle-East - - - In Spain - - - In the Bible - - The fountain in art and literature - - Painting - - - Literature and cinema - - Persistent of the myth until today - Senescence - - Why do we age? - - Gene regulation - - Cellular senescence Undead - Ghoul - Lich - Mummy - Skeleton - Vampire - Zombie - Other legendary creatures - Creatures specific to a particular universe - Spiritism - - Point out - - Origins of spiritism - - - The traditions through the ages - - - Advent of Christianity in Europe - - - The survival of necromancy - - - The precursors - - - Relations of spiritualism to science - Mediumship - - History - - Skeptical point of view - - Favorable doctor's viewpoint - Ghosts - - Appearance - - Belief in ghosts - - Origin - - - Duality and return dead - - - Ancient roots - - Typology - - - Poltergeists - - - Revenants - - - Ghosts - - - Banshees - - - Apparitions of crisis - - - Phantasms of the living - - - Vision of his own double - - - Ghost armies - - - Ghosts of animals - - - Means of transport - - Science perspective - - - Hallucinations - - - Sleep paralysis - - - Induced ghosts - - - Aches and infrasounds - - - Magnetic fields - Vampires - - Characteristics - - - Vampire transformation - - - Identification - - - Faculties - - Protection against the vampires - - - Precautions at death and burial - - - Apotropaic objects and places - - Destruction of vampires - Zombie - - The concept - - Africa and voodoo - - - West Africa - - - South Africa - - - In Haiti (and the Caribbean) - - - Scientific research - - The "revenants" in the Western imaginary Death in art - Memento mori - - History - - - Antiquity - - - Christianity - - - Mexican syncretism - - Performing arts - - - In painting - - - In literature - - - In movies - - - In video games - - - In Japanese animation - - - In music - The iconography of Weighing of souls (Particular judgment) - - Origin - - Written sources - - Weighing in Romanesque art - - Weighing in Gothic art - - Weighing in the late Middle Ages: to a new iconography - - Weighing of souls or actions? - Poems - - Charlotte Brontë, “On the Death of Anne Brontë” - - Edgar Allan Poe, “Annabel Lee” - - Edna St. Vincent Millay, “And you as well must die” - - Emily Dickinson, “Because I could not stop for Death” - - Emily Dickinson, “If I Should Die” - - Lord Byron, “Epitaph to a Dog” - - Pablo Neruda, “Only Death” - - Stephen Crane, “God Lay Dead in Heaven” - - W. B. Yeats, “He Wishes His Beloved Were Dead” - - Rainer Maria Rilke, “Death” - Paintings - - The Three Dead Kings - - The Death of Nelson - - Beata Beatrix - Sculptures - - The Kiss of Death - - Background - - Imagery - - Angel of Grief - - Fallen Astronaut - Quotes References About the author - Nicolae Sfetcu - - By the same author - - Contact Publishing House - MultiMedia Publishing -/- DOI: 10.58679/TW44411. (shrink)

● Sergio Cremaschi, The non-existing Island. The chapter discusses how the cleavage between the Continental and the Anglo-American philosophies originated, the (self-)images of both philosophical worlds, the converging rediscoveries from the Seventies, and recent ecumenic or anti-ecumenic strategies. I argue that pragmatism provides an important counter-instance to the familiar self-images and the fashionable ecumenic or anti-ecumenic strategies. The conclusions are: (i) the only place where Continental philosophy exists (as Euro-Communism one decade ago) is America; (ii) less obviously, also analytic philosophy (...) does not exist, or does no more exist as a current or a paradigm; what does exist is, on the one hand, philosophy of language and, on the other, philosophy of mind, that is, two disciplines; (iii) the dissolution of analytic philosophy as a school has been highly fruitful, precisely in so far as it has left room for disciplines and research programmes; (iv) what is left, of the Anglo-American/Continental cleavage is primarily differences in styles, depending partly on intellectual traditions, partly owing to sociology, history, institutional frameworks; these differences should not be blurred by rash ecumenism; besides, theoretical differences are alive as ever, but within both camps; finally, there is indeed a lag (not a difference) in the appropriation of intellectual techniques by most schools of 'Continental' philosophy, and this should be overcome through appropriation of what the best 'analytic' philosophers have produced. ● Michael Strauss, Language and sense-perception: an aspect of analytic philosophy. To test an assertion about one fact by comparing it with perceived reality seems quite unproblematic. But the very possibility of such a procedure is incompatible with the intellectualistic basis of logical positivism and atomism (as it is for example to be found in Russell's Analysis of Mind). According to the intellectualistic approach pure sensation is meaningless. Sensation receives its meaning and order from the intellect through interpretation, which is performed with the help of linguistic tools, i.e. words and sentences. Before being interpreted, sensation is not a picture or a representation, it is neither true nor false, neither an illusion nor knowledge; it does not tell us anything; it is a lifeless and order-less matter. But how can a thought (or a proposition) be compared with such a lifeless matter? This difficulty confronts the intellectualist, if on the one hand he admits the necessity of comparing thought with sense-perception, and on the other hand presupposes that we possess only intellectual and no immediate perceptual understanding of what we see and hear. In this paper I give a critical exposition of three attempts, made by Russell, Neurath and Wittgenstein, to solve this problem. The first attempt adheres to strict conventionalism, the second tends to naturalism and the third leads to an amended, very moderate version of conventionalism. This amended conventionalism looks at sense impressions as being a peculiar language, which includes primary symbols, i.e. symbols not founded on convention and not being in need of interpretation. ● Ernst Tugendhat, Phenomenology and language analysis. The paper, first published in German in 1970, by which Tugendhat gave a start to the German rediscovery of analytic philosophy. The author stages a confrontation between phenomenology and language analysis. He argues that language analysis does not differ from phenomenology as far as the topics dealt with are concerned; instead, both currents are quite different in method. The author argues that language-analytic philosophy does not simply lay out of the mainstream of transcendental philosophy, but that instead it challenges this tradition on the very level of foundations. The author criticizes the linguistic-analytic approach centred on the subject as well as any object-centred approach, while proposing inter-subjective understanding through language as the new universal framework. This is, when construed in so general terms, the same program of hermeneutics, though in a more basic version. ● Jürgen Habermas, Language game, intention and meaning. On a few suggestions by Sellars and Wittgenstein. The paper, first published in German in 1975, in which Habermas announces his own linguistic turn through a discovery of speech acts. In this essay the author wants to work out a categorical framework for a communicative theory of society; he takes Wittgenstein's concept of language game as a Leitfade and, besides, he takes advantage also of Wilfried Sellars's quasi-transcendental account of the genesis of intentionality. His goal is to single out the problems connected with a theory of consciousness oriented in a logical-linguistic sense. ● Zvie Bar-On, Isomorphism of speech acts and intentional states. This essay presents the problem of the formal relationship between speech acts and intentional states as an essential part of the perennial philosophical question of the relation between language and thought. I attempt to show how this problem had been dealt with by two prominent philosophers of different camps in our century, Edmund Husserl and John Searle. Both of them wrote extensively about the theory of intentionality. I point out an interesting, as it were unintended, continuity of their work on that theory. Searle started where Husserl left off 80 years earlier. Their meeting point could be used as the first clue in our search. They both adopted in effect the same distinction between two basic aspects of the intentional experience: its content or matter, and its quality or mode. Husserl did not yet have the concept of a speech act as contradistinguished from an intentional state. The working hypothesis, however, which he suggested, could be used as a second clue for the further elaboration of the theory. The relationship of the two levels, the mental and the linguistic, which remained for Husserl in the background only, became the cornerstone of Searle' s inquiry. He employed the speech act as the model and analysed the intentional experience by means of the conceptual apparatus of his own theory of speech acts. This procedure enabled him to mark out a number of parallelisms and correlations between the two levels. This procedure explains the phenomenon of the partial isomorphism of speech acts and intentional states. ● Roberta de Monticelli, Ontology. A dialogue among the linguistic philosopher, the naturalist, and the phenomenological philosopher. This paper proposes a comparison between two main ways of conceiving the role and scope of that fundamental part of philosophy (or of "first" philosophy) which is traditionally called "ontology". One way, originated within the analytic tradition, consists of two main streams, namely philosophy of language and (contemporary) philosophy of mind, the former yielding "reduced ontology" and the latter "neo-Aristotelian ontology". The other way of conceiving ontology is exemplified by "phenomenological ontology" (more precisely, the Husserlian, not the Heideggerian version). Ontology as a theory of reference ("reduced" ontology, or ontology as depending on semantics) is presented and justified on the basis of some classical thesis of traditional philosophy of language (from Frege to Quine). "Reduced ontology" is shown to be identifiable with one level of a traditional, Aristotelian ontology, namely the one which corresponds to one of the four "senses of being" listed in Aristotle's Metaphysics: "being" as "being true". This identification is justified on the basis of Franz Brentano's "rules for translation" of the Aristotelian table of judgements in terms of (positive and negative) existential judgments such as are easily translatable into sentences of first order predicate logic. The second part of the paper is concerned with "neo-Aristotelian ontology", i.e. with naturalism and physicalism as the main ontological options underlying most of contemporary discussion in the philosophy of mind. The qualification of such options as "neo-Aristotelian" is justified; the relationships between "neo-Aristotelian ontology" and "reduced ontology" are discussed. In the third part the fundamental tenet of "phenomenological ontology" is identified by the thesis that a logical theory of existence and being does capture a sense of "existing" and "being" which, even though not the basic one, is grounded in the basic one. An attempt is done of further clarifying this "more basic" sense of "being". An argument making use of this supposedly "more basic" sense is advanced in favour of a "phenomenological ontology". ● Kuno Lorenz, Analytic Roots in Dialogic Constructivism. Both in the Vienna Circle ad in Russell's early philosophy the division of knowledge into two kinds (or two levels), perceptual and conceptual, plays a vital role. Constructivism in philosophy, in trying to provide a pragmatic foundation - a knowing-how - to perceptual as well as conceptual competences, discovered that this is dependent on semiotic tools. Therefore, the "principle of method" had to be amended by the "principle of dialogue". Analytic philosophy being an heir of classical empiricism, conceptually grasping the "given", and constructive philosophy being an heir of classical rationalism, perceptually providing the "constructed", merge into dialogical constructivism, a contemporary development of ideas derived especially from the works of Charles S. Peirce (his pragmatic maxim as a means of giving meaning to signs) and of Ludwig Wittgenstein (his language games as tools of comparison for understanding ways of life). 7. Albrecht Wellmer, "Autonomy of meaning" and "principle of charity" from the viewpoint of the pragmatics of language. In this essay I present an interpretation of the principle of the autonomy of meaning and of the principle of charity, the two main principles of Davidson's semantic view of truth, showing how both principles may fit in a perspective dictated by the pragmatics of language. I argue that (I) the principle of the autonomy of meaning may be thoroughly reformulated in terms of the pragmatics of language, (ii) the principle of charity needs a supplement in terms of pragmatics of language in order to become really enlightening as a principle of interpretation. Besides, I argue that: (i) on the one hand, the fundamental thesis of Habermas on the pragmatic theory of meaning ("we understand a speech act when we know what makes it admissible") is correlated with the seemingly intentionalist thesis according to which we understand a speech act when we know what a speaker means; (ii) on the other hand, to say that the meaning competence of a competent speaker is basically a competence about a potential of reasons (or also of possible justifications) which is inherently connected with the meaning of statements, or with their use in utterances. ● Rüdiger Bubner, The convergence of analytic and hermeneutic philosophy This paper argues that the analytic philosophy does not exist, at least as understood by its original programs. Differences in the analytic camp have always been bigger than they were believed to be. Now these differences are coming to the fore thanks to a process of dissolution of dogmatism. Philosophical analysis is led by its own inner logic towards questions that may be fairly qualified as hermeneutic. Recent developments in analytic philosophy, e.g. Davidson, seem to indicate a growing convergence of themes between philosophical analysis and hermeneutics; thus, the familiar opposition of Anglo-Saxon and Continental philosophy might soon belong to history. The fact of an ongoing appropriation of analytical techniques by present-day German philosophers may provide a basis for a powerful argument for the unity of philosophizing, beyond its strained images privileging one technique of thinking and rejecting the remainder. Actual philosophical practice should take the dialogue between the two camps more seriously; in fact, the processes described so far are no danger to philosophical work. They may be a danger for parochial approaches to philosophizing; indeed, contrary to what happens in the natural sciences, Thomas Kuhn's "normal science" developing within the framework of one fixed paradigm is not typical for philosophical thinking. And in philosophy innovating revolutions are symptoms more of vitality than of crisis. ● Karl-Otto Apel, The impact of analytic philosophy on my intellectual biography. In my paper I try to reconstruct the history of my Auseinandersetzung mit - as I called it - "language-analytical" philosophy (including even Peircean semiotics) since the late Fifties. The heuristics of my study was predetermined by two main motives of my beginnings: the hermeneutic turn of phenomenology and the transformation of "transcendental philosophy" in the light of the "language a priori". Thus, I took issue with the early and the later Wittgenstein, logical positivism, and post-Wittgensteinian and post-empiricist philosophy of science (i.e. G.H. von Wright and the renewal of the "explanation vs understanding controversy" as well as the debate between Th. Kuhn and Popper/Lakatos); besides, with speech act theory and the debate about "transcendental arguments" since Strawson. The "pragmatic turn", started already by C.L. Morris and the later Carnap, led me to study also the relationship between Wittgensteinian "use" theory of meaning and of truth. This resulted on my side in something like a program of "transcendental semiotics", i.e. "transcendental pragmatics" and "transcendental hermeneutics". ● Ben-Ami Scharfstein, A doubt on both their houses: the blindness to non-western philosophies. The burden of my criticism is that contemporary European philosophers of all kinds have continued to think as if there were no true philosophy but that of the West. For the most part, the existentialists have been oblivious of their Eastern congeners; the hermeneuticians have yet to stretch their horizons beyond the most familiar ones; and the analysts remain unaware of the analyses and linguistic sensitivities of the ancient non-European philosophers. Briefly, ignorance still blinds almost all contemporary Western philosophers to the rich, variegated philosophical traditions outside of their familiar orbit. Both Continental and Anglo-Americans have lost the breadth of view that once characterized such thinkers as Herder and the Humboldts. The blindness that has resulted is not simply that of individual Western philosophers but of our whole, still parochial philosophical culture. (shrink)

This paper, which is a homage to the life and work of Stephen Gaukroger, explores competing receptions of Spencer’s programmatic synthetic philosophy. In so doing, I show how T.H Huxley and C.S. Peirce reconfigured a familiar, long-standing debate about cosmogeny and cosmology in the early modern period.

Human ecology, it is argued, even when embracing recent developments in the natural sciences and granting a place to culture, tends to justify excessively pessimistic conclusions about the prospects for creating a sustainable world order. This is illustrated through a study of the work and assumptions of Richard Newbold Adams and Stephen Bunker. It is argued that embracing hierarchy theory as this has been proposed and elaborated by Herbert Simon, Howard Pattee, T.F.H. Allen and others enables human ecology to (...) conceive humans both as part of nature and as cultural beings in a way that gives due regard to the ethical development of humanity. That is, ethical constraints need no longer be conceived of as 'unnatural'. Characterizing the nature of such constraints, conceived of as emerging from the Hegelian 'struggle for recognition', this argument is shown to justify some optimism about the future, and to give some idea of how society should be organized if ethical constraints, able to constrain humanity’s relationship to the rest of nature, are to prevail. (shrink)

Observers inspected normal, high quality color displays of everyday visual scenes while their eye movements were recorded. A large display change occurred each time an eye blink occurred. Display changes could either involve "Central Interest" or "Marginal Interest" locations, as determined from descriptions obtained from independent judges in a prior pilot experiment. Visual salience, as determined by luminance, color, and position of the Central and Marginal interest changes were equalized. -/- The results obtained were very similar to those obtained in (...) prior experiments showing failure to detect changes occurring simultaneously with saccades, flicker, or “mudsplashes” in the visual scene: Many changes were very hard to detect, and Marginal Interest changes were harder to detect than Central Interest changes. -/- Analysis of eye movements showed, as expected, that the probability of detecting a change depended on the eye’s distance from the change location. However a surprising finding was that both for Central and Marginal Interest changes, evenwhen observers were directly fixating the change locations (within 1 degree),more than 40% of the time they still failed to see the changes. It seems that looking at something does not guarantee you “ see” it. (shrink)

Sheep production is the most representative livestock activities in Brazil and in the world. However, the reproductive performance of these animals is determined by factors genetic, physical environment, management and, especially, nutritional. Thirty half-breed lambs from Dorper × Santa Inês were used, with initial weight and age of 31.87 ± 0.5 kg and 157 days, respectively. These animals were prepared on a diet with three food levels (ad libitum, 30% and 70%). Morphometric measurements were measured at intervals of 16 to (...) 20 days in 56 experimental days. The measurements performed were scrotal circumference (CE), chest circumference (CT), body condition score (ECC), withers height (AC) and scrotal bag thickness (EBE), body weight (CP) and semen collection. Interaction occurrence for biometric measurements between food levels and age (p <0.05). The TC and ECC values were higher in animals fed ad libitum (p <0.001). EBE had higher values in animals ad libitum and at 211 days of age (p <0.001). The CP was increasing for the animals ad libitum and (p <0.05) throughout the experiment, while the T30 was only in the initial period. T70 animals did not grow during the whole experiment. CE was influenced by diet (p <0.001) and age (p <0.001) independently. So that animals under food restriction had less development and was higher in older animals. The AC values were influenced only by age (p <0.001), demonstrating the effect of age growth. We conclude that it is not advantageous to submit lambs, it corrects food reproduction. Although it was not possible to assess whether initial malnutrition would bring future problems for the animal's seminal quality, it proved to be immensely negative for the onset of puberty and the development of reproductive structures. -/- REFERÊNCIAS BIBLIOGRÁFICAS AKUMBUGU, F. E., et al. Correlation between Body and Testicular Biometric Characteristics of West African Dwarf Rams. Multidisciplinary Advances in Veterinary Science. 2.4, 2018 ALLAOUI, A. et al. Factors affecting scrotal measurements and weight of Ouled Djellal rams in Eastern and South-eastern Algeria. APCBEE procedia, v. 8, p. 260-265, 2014. ALVES, J. M. et al. Estação de nascimento e puberdade em cordeiros Santa Inês. Revista Brasileira de Zootecnia, v. 35, n. 3, p. 958-966, 2006. ALVES, K. S. et al. Níveis de energia em dietas para ovinos Santa Inês: características de carcaça e constituintes corporais. Revista Brasileira de Zootecnia, v. 32, n. 6, p. 1927-1936, 2003. BIELLI, A. et al. Low maternal nutrition during pregnancy reduces the number of Sertoli cells in the newborn lamb. Reproduction, Fertility and Development, v. 14, n. 6, p. 333-337, 2002. BROWN, D. C.; STIRLING, H. F.; KELNAR, C. J. H. Precocious puberty. Paediatrics and Child Health, v. 4, n. 3, p. 184-188, 1994. BUDAI, C. Performance and adaptability of the Dorper sheep breed under Hungarian and Romanian rearing conditions. Scientific Papers Animal Science and Biotechnologies, v. 46, n. 1, p. 344-349, 2013. CARNEIRO, P. L. S. et al. Desenvolvimento ponderal e diversidade fenotípica entre cruzamentos de ovinos Dorper com raças locais. Pesquisa Agropecuária Brasileira, v. 42, n. 7, p. 991-998, 2007. CARRIJO JUNIOR, O. A. et al. Morphological evaluation of the testicles of young santa Inês rams submitted to different regimes of protein supplementation and drenching. Ciência animal brasileira, Goiânia, v. 9, n. 2, p. 433-441, abr./jun. 2008. CASTRO, F.A.B. de et al. Desempenho de cordeiros Santa Inês do nascimento ao desmame filhos de ovelhas alimentadas com diferentes níveis de energia. Semina: Ciências Agrárias, v. 33, n. 6 supl 2, p. 3379-3388, 2012 CEZAR, M. F. et al. Avaliação de parâmetros fisiológicos de ovinos Dorper, Santa Inês e seus mestiços perante condições climáticas do trópico semi-árido nordestino. Ciência e Agrotecnologia, v. 28, n. 3, p. 614-620, 2004. CHACÓN, L. et al. Características de la pubertad en corderos de pelo y sus cruces en Colombia en condiciones de baja altitud. Revista MVZ Cordoba, v. 24, n. 1, p. 7099-7103, 2019. CHEMINEAU, P. et al. Training manual on artificial insemination in sheep and goats. Rome: FAO; 1991. DA SILVA, Emanuel Isaque Cordeiro. Comportamento Sexual dos Animais Domésticos. 2020. DA SILVA, Emanuel Isaque Cordeiro. Fisiologia do ciclo estral dos animais domésticos. Emanuel Isaque Cordeiro da Silva, 2021. Da Silva EIC. Formulação de ração para ovinos. 1ª ed. Belo Jardim, PE: IPA, 2021. DA SILVA, Emanuel Isaque Cordeiro. Puberdade e Estacionalidade Reprodutiva dos Animais. 2020. FAO. Animal Production and Health Paper, v. 83. ELMAZ, Ö. et al. Prediction of postpubertal reproductive potential according to prepubertal body weight, testicular size, and testosterone concentration using multiple regression analysis in Kıvırcık ram lambs. Turkish journal of veterinary and animal sciences, v. 32, n. 5, p. 335-343, 2008. JUCÁ, A. F. et al. Performance of the Santa Ines breed raised on pasture in semiarid tropical regions and factors that explain trait variation. Tropical animal health and production, v. 46, n. 7, p. 1249-1256, 2014. FOURIE, P. J. et al. Scrotal, testicular and semen characteristics of young Dorper rams managed under intensive and extensive conditions. Small Ruminant Research, v. 54, n. 1-2, p. 53-59, 2004. GUNN, R. G.; SIM, D. A.; HUNTER, E. A. Effects of nutrition in utero and in early life on the subsequent lifetime reproductive performance of Scottish Blackface ewes in two management systems. Animal Science, v. 60, n. 2, p. 223-230, 1995. HÖTZEL, M. J. et al. Morphometric and endocrine analyses of the effects of nutrition on the testis of mature Merino rams. Reproduction, v. 113, n. 2, p. 217-230, 1998. Instituto Brasileiro de Geografia e Estatística (IBGE). Produção Pecuária municipal. Rio de Janeiro, v. 46, p.1-8, 2018. KENYON, P. R.; MALONEY, S. K.; BLACHE, D. Review of sheep body condition score in relation to production characteristics. New Zealand Journal of Agricultural Research, v. 57, n. 1, p. 38-64, 2014. KHERADMAND, A.; BABAEI, H.; ALI BATAVANI, R. Effect of improved diet on semen quality and scrotal circumference in the ram. Veterinarski arhiv, v. 76, n. 4, p. 333-341, 2006. KORKMAZ, M. K.; EMSEN, E. Growth and reproductive traits of purebred and crossbred Romanov lambs in Eastern Anatolia. Anim. Reprod., v. 13, n. 1, p. 3-6, 2016. KRIDLI, R. T. et al. Age at puberty and some biological parameters of Awassi and its first crosses with Charollais and Romanov rams. Italian journal of animal science, v. 5, n. 2, p. 193-202, 2006. LOUW, D. F. J.; JOUBERT, D. M. Puberty in the male Dorper sheep and Boer goat. S. Afr. J. Agric. Sci, v. 7, p. 509-520, 1964. MAIA, A. S. C.; SILVA, R. G.; ANDRADE, P. C. Efeitos da temperatura e da movimentação do ar sobre o isolamento térmico do velo de ovinos em câmara climática. Revista Brasileira de Zootecnia, v. 38, n. 1, p. 104-108, 2009. MARTINS, R. D. et al. Avaliação da sazonalidade reprodutiva de carneiros Santa Inês criados no Distrito Federal. R. Bras. Zootec., Viçosa, v. 32, n. 6, supl. 1, p. 1594-1603, Dec. 2003. MENDES, A. M. P. et al. Zoneamento bioclimático para a raça ovina Dorper no Estado de Pernambuco. Pesquisa Agropecuária Brasileira, v. 49, n. 12, p. 986-993, 2014. MOULLA, F. et al. Characterization of the onset of puberty in Tazegzawt lambs, an endangered Algerian sheep: Body weight, thoracic perimeter, testicular growth, and seminal parameters. Veterinary world, v. 11, n. 7, p. 889, 2018. NATIONAL RESEARCH COUNCIL (NRC). Nutrient Requirements of Small Ruminants: Sheep, Goats, Cervids, and New World Camelids. Washington, D.C.: National Academy Press, 2007. NOTTER, D. R.; LUCAS, J. R.; MCCLAUGHERTY, F. S. Accuracy of estimation of testis weight from in situ testis measures in ram lambs. Theriogenology, v. 15, n. 2, p. 227-234, 1981. SEJIAN, V. et al. Effect of body condition score on the allometric measurements and reproductive performance of Garole X Malpura ewes under hot semi-arid environment. Journal of Dairy, Veterinary & Animal Research, v. 2, n. 6, p. 1-4, 2015. PACHECO, A.; MADELLA-OLIVEIRA, A. F.; QUIRINO, C. R. Biometria e formas dos testículos em cordeiros da raça Santa Inês explorados em regime de manejo intensivo. Revista Brasileira de Ciências Agrárias, v. 5, n. 1, p. 123-128, 2010. REGO NETO, A. A. et al. Population genetic structure of Santa Inês sheep in Brazil. Tropical animal health and production, v. 50, n. 3, p. 503-508, 2018. RHIND, S. M. Effects of maternal nutrition on fetal and neonatal reproductive development and function. Animal Reproduction Science, v. 82, p. 169-181, 2004. RIBEIRO, E. L. A.; GONZÁLEZ-GARCÍA, E. Indigenous sheep breeds in Brazil: potential role for contributing to the sustainability of production systems. Tropical animal health and production, v. 48, n. 7, p. 1305-1313, 2016. RIBEIRO, M. S. et al. Repeatability and effect of age on reproductive characteristics in Santa Ines rams. Archivos de zootecnia, v. 67, n. 257, p. 143-147, 2018. RUSSEL, A. J. F.; DONEY, J. M.; GUNN, R. G. Subjective assessment of body fat in live sheep. The Journal of Agricultural Science, v. 72, n. 3, p. 451-454, 1969. SILVA, N. V. et al. Medidas in vivo e da carcaça e constituintes não carcaça de ovinos alimentados com diferentes níveis do subproduto agroindustrial da goiaba. Revista Brasileira de Saúde e Produção Animal, v. 17, n. 1, p. 101-115, 2016. SILVA, P. et al. Influence of placentally mediated fetal growth restriction on the onset of puberty in male and female lambs. Reproduction, v. 122, n. 3, p. 375-383, 2001. SIQUEIRA FILHO, E. R. Influência dos níveis protéicos fornecidos na dieta sobre o sistema reprodutivo de carneiros. 2007. 75 f. Dissertação (mestrado) - Universidade Estadual Paulista, Faculdade de Medicina Veterinária e Zootecnia de Botucatu, 2007. SOUZA, J. S da et al. Biometric measurements of Santa Inês meat sheep reared on Brachiaria brizantha pastures in Northeast Brazil. Plos one, v. 14, n. 7, p. e0219343, 2019. (shrink)

This book presents Robert S. Hartman’s formal theory of value and critically examines many other twentieth century value theorists in its light, including A.J. Ayer, Kurt Baier, Brand Blanshard, Paul Edwards, Albert Einstein, William K. Frankena, R.M. Hare, Nicolai Hartmann, Martin Heidegger, G.E. Moore, P.H. Nowell-Smith, Jose Ortega y Gasset, Charles Stevenson, Paul W. Taylor, Stephen E. Toulmin, and J.O. Urmson.

Brain-related diseases are among the most difficult diseases due to their sensitivity, the difficulty of performing operations, and their high costs. In contrast, the operation is not necessary to succeed, as the results of the operation may be unsuccessful. One of the most common diseases that affect the brain is Alzheimer’s disease, which affects adults, a disease that leads to memory loss and forgetting information in varying degrees. According to the condition of each patient. For these reasons, it is important (...) to classify memory loss and to know the patient at what level and his assessment of Alzheimer's disease through CT scans of the brain. In this thesis, we review ways and techniques to use deep learning classification to classifying the Alzheimer's Disease The proposed method used to improve patient care, reduce costs, and allow fast and reliable analysis in large studies. The model will be designed using Python language for implementing the system, which is very useful for doctors, classifying the Alzheimer's Disease, was used. The model used 70% from image for training and 30% from image for validation, our trained model achieved an accuracy of 100% on a held-out test set. (shrink)

Parkinson's Disease (PD) is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms generally come on slowly over time. Early in the disease, the most obvious are shaking, rigidity, slowness of movement, and difficulty with walking. Doctors do not know what causes it and finds difficulty in early diagnosing the presence of Parkinson’s disease. An artificial neural network system with back propagation algorithm is presented in this paper for helping doctors in identifying (...) PD. Previous research with regards to predict the presence of the PD has shown accuracy rates up to 93% [1]; however, accuracy of prediction for small classes is reduced. The proposed design of the neural network system causes a significant increase of robustness. It is also has shown that networks recognition rates reached 100%. (shrink)

FISIOLOGIA DO PARTO E DA LACTAÇÃO ANIMAL -/- ANIMAL REPRODUCTION: PHISIOLOGY OF PARTURITION AND ANIMAL LACTATION -/- Emanuel Isaque Cordeiro da Silva Departamento de Zootecnia da UFRPE WhatsApp: (82)98143-8399 -/- 1. INTRODUÇÃO O sucesso biológico do processo de reprodução culmina com a sobrevivência das crias. Durante a gestação, o feto desenvolve-se no útero materno protegido das influências externas, e obtendo os nutrientes e o oxigênio através da mãe. O parto é o processo biológico que marca o fim da gestação e (...) o início da vida extrauterina do animal. Para garantir a sobrevivência do recém-nascido o parto deve ser um processo controlado para que se inicie unicamente quando o feto tiver alcançado desenvolvimento suficiente que lhe permita enfrentar a vida extrauterina. Após o nascimento, a secreção de leite pela glândula mamária proporciona ao neonato tanto os nutrientes necessários para seu desenvolvimento como as defesas (imunoglobulinas) que lhe protegerão contra as possíveis infecções durante as primeiras fases de sua vida. Parto e lactação constituem a última etapa de um ciclo reprodutivo completo nas fêmeas dos animais domésticos, estando ambos os processos regulados e sincronizados por complexas mudanças hormonais na mãe. Estas mudanças são, em última análise, provocadas e governadas pelo próprio feto ou recém-nascido, o qual acomoda as respostas maternas às suas necessidades garantindo a sua sobrevivência. 2. O PARTO O parto é definido como o processo fisiológico pelo qual ocorre a expulsão de um ou mais fetos maduros, bem como das membranas fetais existentes no útero materno. Este processo é desencadeado por uma interação complexa entre as hormonas maternas (fatores maternos) e fetais (fatores fetais). Para que se realize a expulsão do feto é necessário que o útero deixe de ser um órgão quiescente, essencial para a manutenção da gestação, para ser um órgão contrátil. Ao mesmo tempo, o cérvix ou colo uterino, que durante a gestação permanece firmemente fechado para impedir a expulsão prematura do feto e evitar a entrada de agentes infecciosos, relaxa e dilata para facilitar a passagem do feto na hora do parto. Esta modificação na atividade do útero e do colo uterino, ocorrem como consequência das mudanças hormonais que o organismo materno experimenta à medida que a data do parto se aproxima. 2.1 Fatores maternos A gestação dos animais domésticos ocorre com elevada concentração de progesterona que, dependendo da espécie animal, é secretada seja pelo corpo lúteo do ovário (vaca, porca e cabra) ou pela placenta (ovelha e égua). A progesterona desempenha um papel fundamental durante a gestação, inibindo as contrações da musculatura lisa do útero (miométrio), permitindo assim a acomodação do feto durante o seu crescimento. Os estrogênios, estimulantes da atividade contrátil do miométrio, mantêm-se a baixas concentrações durante a maior parte da gestação. À medida que se aproxima o momento do parto, os níveis destes hormônios esteroides modificam-se, produzindo-se a diminuição nos níveis circulantes da progesterona ao mesmo tempo que se incrementam os valores sanguíneos dos estrogênios (figura 1). A redução dos níveis de progesterona suprime a sua ação inibitória sobre a atividade contrátil do miométrio, permitindo que se manifestem os efeitos estimulantes dos estrogênios sobre este órgão. A concentração de estrogênios começa a aumentar geralmente no final da gestação, atingindo os seus valores máximos no momento do parto (figura 1). O aumento da concentração de estrogênios favorece a atividade contrátil espontânea do útero ao: a) estimular a síntese de proteínas contráteis; b) aumentar, sob medida, a sensibilidade do miométrio uterino à ação estimulante das prostaglandinas; c) induzir a formação de receptores de oxitocina no útero. -/- Figura 1. Níveis de progesterona e estrógenos durante a gestação e parto das espécies ovina, caprina, suína e bovina. Fonte: HAFEZ, 2013. Os estrogênios estimulam a síntese e secreção de prostaglandina (PGF2a), que constitui o elemento essencial para o início do parto devido aos efeitos que esta substância provoca. Assim, nas fêmeas, cujos níveis de progesterona gestacional dependem da presença do corpo lúteo, a secreção de PGF, origina a regressão deste (luteólise), com a consequente diminuição da progesterona a níveis basais. Além disso, a PGF2a origina contrações de crescente intensidade no útero sensibilizado pela ação dos estrogênios. Esta ação contrátil da PGF2a deve-se a um aumento da concentração de cálcio intracelular das fibras musculares uterinas. A PGF2a também está envolvida no relaxamento do colo do útero, inibindo a formação de colágeno cervical ao mesmo tempo que estimula a síntese de enzimas (colagenase) que degradam a matriz de colágeno formado no início da gestação. A dilatação do colo do útero está também associada à pressão que o feto exerce sobre o mesmo e, no caso da porca, a relaxina pode também estar envolvida. Esta hormona é também de grande importância para a preparação do parto em todas as espécies animais, uma vez que é responsável pelo relaxamento dos ligamentos e músculos que rodeiam o canal pélvico para favorecer a separação da sínfise púbica durante a expulsão do feto. Nos grandes animais (vaca, égua) as mudanças que ocorrem nos tecidos e ligamentos pélvicos são muito evidentes e constituem um sintoma de parto iminente. O início do parto, ou primeira fase do parto, caracteriza-se pelo aumento das contrações uterinas provocadas pela PGF2a coincidindo com a dilatação do colo uterino para permitir a passagem do feto para o canal do parto, momento em que começa a segunda fase do parto. A distensão vaginal que produz-se para a passagem do feto pelo canal do parto origina um estímulo nervoso que viaja através da medula espinal para o hipotálamo, onde se encontram os neurônios responsáveis pela síntese de oxitocina. As terminações nervosas destes neurónios são projetadas para o lobo posterior da hipófise (neurohipófise), onde a oxitocina é secretada para ser, posteriormente , transportada pela circulação sanguínea. Este reflexo neuroendócrino chamado reflexo de Ferguson determina a secreção súbita de oxitocina, provocando o aumento tanto na intensidade como na frequência das contrações uterinas necessárias para a expulsão final do feto. O papel da oxitocina é ativar a conclusão do processo de expulsão, uma vez que esta hormona não está envolvida no início do parto. A alteração mais significativa entre a gestação e o parto é a alteração na atividade contrátil do miométrio uterino. Esta mudança é devido às alterações hormonais que ocorrem na mãe quando a gestação chegou a fim. No entanto, para que estes mecanismos maternos sejam acionados, é necessário que o feto indique de alguma forma à mãe o seu estado de desenvolvimento, de modo que o nascimento realize-se quando o feto estiver preparado para enfrentar a vida extrauterina. 2.2 Fatores fetais A destruição experimental da hipófise e/ou das glândulas adrenais do feto origina o prolongamento da gestação nos animais domésticos. Pelo contrário, a administração exógena de cortisol (corticosteroides adrenais), ou do seu precursor hipofisário (ACTH), à circulação fetal provoca, em poucas horas, o início do parto. Estes fatos evidenciam a importância do eixo hipófise-adrenal do feto para desencadear o início do parto (figura 2). Figura 2. Mecanismos fetais que controlam o parto em ovelhas. Fonte: LIGGINS et al, 1972. No final da gestação, o feto maduro apresenta um aumento da concentração de corticosteroides plasmáticos devido ao efeito estimulante da hormona adrenocorticotróide (ACVH) secretada pela hipófise fetal sobre as glândulas adrenais do feto. Os corticosteroides fetais por sua vez estimulam as enzimas placentárias para transformar a progesterona em estrogênio. O resultado final é a diminuição dos níveis de progesterona ao mesmo tempo que se eleva a concentração de estrogênios que, por sua vez, estimulam a libertação de PGF2a responsável pelas contrações uterinas. Este raciocínio explica algumas doenças caracterizadas por gestação prolongada em ovelhas, como ocorre na África do Sul, onde estes animais são obrigados, durante as épocas de seca, a ingerir as folhas de um arbusto chamado Salsola tuberculate. O prolongamento da gestação ocorre quando estas folhas são ingeridas durante o último terço da gestação cujos efeitos estão relacionados com a supressão do eixo hipotálamo-hipófise, com o qual as adrenais não recebem o estímulo necessário (ACTH) para a síntese e liberação de corticoides. O efeito contrário é observado nas cabras da raça Angorá, nas quais se produzem, com relativa frequência, partos prematuros que podem estar relacionados com um desenvolvimento precoce das glândulas adrenais. Isto significa que, nos animais domésticos, o feto determina a data do parto. O sinal hormonal que indica à mãe o grau de maturidade do feto é o desenvolvimento do eixo hipotálamo-hipófise-adrenal que origina o aumento na secreção de corticoides fetais que são os responsáveis por desencadear as alterações hormonais no organismo materno necessárias para iniciar o parto. A figura 2 mostra como a remoção da hipófise e as adrenais do feto prolongam a gestação, enquanto a administração exógena de ACTH ou corticoides (cortisol) ao feto originam um parto prematuro. O momento em que ocorre o aumento da concentração plasmática de corticoides no feto varia de acordo com a espécie: de 25 a 30 dias antes do parto na vaca, de 7 a 10 dias na porca e de 2 a 3 dias na ovelha. 2.3 Desenvolvimento e fases do parto O parto inicia-se com o início das contrações peristálticas e regulares do miométrio uterino ao mesmo tempo que o colo do útero se dilata progressivamente. Nas fêmeas que gestam um único feto (monotecas), as contrações começam na extremidade anterior do córneo uterino, enquanto que nas espécies que gestam vários fetos (politocas) as contrações começam pela extremidade cervical para começar a expulsar o feto que se encontra mais próximo do cérvix. Durante o parto são reconhecidas três fases: 1. Fase preparatória - Na qual as contrações uterinas estimulam a rotação do feto (fêmeas monotecas) para adotar a posição dorsal (extremidades anteriores e cabeça forçadas contra o cérvix) que lhe permite oferecer a menor resistência para sua expulsão. A PGF2a provoca as contrações miometriais e a dilatação do cérvix, deslocando o feto contra e através desta estrutura. 2. Fase de expulsão - A passagem do feto através do colo uterino e da vagina causam a completa dilatação destas estruturas, originando a secreção de oxitocina (reflexo de Ferguson), que provoca contrações de maior frequência e intensidade. Por sua vez, estas contrações uterinas são reforçadas pela pressão e contração dos músculos abdominais, chegando estes últimos a ser a força principal (forças de expulsão) envolvida no processo de expulsão do feto. O cordão umbilical rompe-se bem ao levantar-se a mãe ou pelos movimentos do recém-nascido. 3. Fase de expulsão da placenta - Após o parto, as contrações rítmicas do útero continuam a facilitar a expulsão da(s) placenta(s). O tempo necessário para este processo varia de acordo com a espécie animal. Este processo é rápido na égua, já que a separação do corion (membrana fetal) de sua inserção uterina ocorre durante a expulsão do feto, com o qual o parto deve ser concluído rapidamente ou, caso contrário, o potro se asfixiaria. Nos ruminantes, a expulsão da placenta cotiledonaria é um processo mais lento que exige a separação dos cotilédones (membrana fetal) das carúnculas do útero. Por conseguinte, a troca de nutrientes e oxigênio entre a mãe e o feto continua até que este tenha sido totalmente expelido, devido ao cordão umbilical destes animais ser bastante longo. Nas fêmeas politocas, como a porca, geralmente as placentas de vários leitões são expulsadas no final, quando os leitões já foram expelidos, se bem que o último leitão poderá ser expelido durante a expulsão da massa placentária. 3. LACTAÇÃO A lactação constitui o processo que define os mamíferos como classe biológica. O desenvolvimento pós-natal dos mamíferos vai depender, em grande medida, dos nutrientes e defesas fornecidos pela mãe através da secreção de leite (imunoglobulinas). Assim, uma vez concluído o desenvolvimento gestacional do feto, a glândula mamária irá substituir, de certa forma, a função nutritiva e protetora da placenta durante a gestação. 3.1 Anatomia funcional da glândula mamária A estrutura funcional da glândula mamária é muito semelhante em todos os mamíferos, embora o tamanho, forma e número de glândulas varia dependendo da espécie animal. As glândulas mamárias desenvolvem-se como estruturas pares cujo número varia de um par (égua, cabra e ovelha), dois pares (vaca) até sete ou nove (porca). A localização das glândulas também difere sendo inguinal em vaca, égua, cabra e ovelha, enquanto que na porca, cadela e gata se estendem por todo o comprimento do tórax e abdômen. Nos animais domésticos em geral as glândulas mamárias recebem o nome de úberes. Tomando como modelo a vaca, a glândula mamária se organiza em duas estruturas: o estroma, formado por tecido conjuntivo procedente dos ligamentos suspensório medial, localizado entre os dois pares de glândulas, dando suporte à segunda estrutura que é o tecido secretor. Este é formado por acúmulos de células secretoras formando estruturas ocas chamadas alvéolos, que são as unidades fundamentais secretoras de leite. Os alvéolos estão circulados internamente por células epiteliais (secretoras) e rodeados externamente por células mioepiteliais contráteis, cuja contração origina a ejeção do leite (figura 3). O agrupamento de vários alvéolos adjacentes formam um lobo secretor. Figura 3. Diagrama de um agregado de alvéolos na glândula mamária de uma cabra. Fonte: COWIE et al, 1980. Os lobos expelem a secreção através de ductos que, por sua vez, drenam os ductos galactóforas (ductos lácteos) de maior diâmetro, para desembocar em áreas especializadas em armazenar o leite chamadas cisternas (vaca, cabra). Finalmente, a cisterna abre-se para o exterior através do canal papilar da teta. A presença do músculo liso na teta permite-lhe agir como esfíncter para impedir que o leite seja expelido passivamente do interior da glândula. O mamilo/teta é provido de numerosos receptores sensitivos cuja excitação durante a ordenha ou amamentação vai desencadear estímulos nervosos de grande importância para a manutenção da lactação. 3.2 Desenvolvimento da glândula mamária (mamogênese) A glândula mamária difere das demais glândulas do organismo no escasso desenvolvimento que apresenta no nascimento da fêmea, o qual não se inicia até que esta não atinja a puberdade. O início da atividade cíclica do ovário (puberdade) dá origem à síntese de estrogênios (fase folicular do ciclo estral) e progesterona (fase lútea). Os estrogênios originam o alongamento e ramificação dos ductos e a formação de pequenas massas esféricas de células (os futuros alvéolos). Embora este desenvolvimento seja dependente do estrogênio, é também necessária a ação sinérgica da prolactina, hormona do crescimento (GH) e corticoides adrenais, como demonstrado pelos estudos realizados em ratos aos quais foi removida a hipófise, glândulas suprarrenais e ovários (figura 4). A função da progesterona no desenvolvimento da glândula mamária é estimular o crescimento do lobo-alveolar, mas como no caso anterior também requer a ação conjunta dos hormônios acima mencionados. Figura 4. Hormonas relacionadas com o crescimento da glândula mamária e início da secreção de leite na rata hipofisectomizada-adrenoectomizada-ovariectomizada. Fonte: COWIE, 1980. O desenvolvimento da glândula, durante cada ciclo estral, vai depender da duração da fase folicular (níveis elevados de estrogênio), já que nas restantes fases do ciclo, quando os níveis de estrogênio são baixos, os ductos sofrem uma ligeira regressão. Nas espécies com ciclos curtos (rata), em que a fase folicular do ciclo é predominante, enquanto a fase lútea é quase inexistente, verifica-se um grande desenvolvimento dos ductos; enquanto que aquelas que apresentam um corpo lúteo funcional de longa duração (cadela e primatas), além do crescimento dos ductos, mostram um grande desenvolvimento lóbulo-alveolar semelhante ao que ocorre na gestação. É durante a gestação que o sistema alveolar sofre uma hipertrofia considerável, resultando em lobos proeminentes e no desenvolvimento da luz interna dos alvéolos, fato que é evidente na maioria dos animais domésticos por volta da metade do período gestacional. Em algumas espécies, as células que circundam interiormente os alvéolos contêm produtos secretores, indicando que a glândula mamária já está preparada para a fase da lactação. O desenvolvimento glandular durante a gestação deve-se ao efeito conjunto da progesterona e dos estrogênios com as hormonas hipofisárias acima mencionadas: prolactina, hormona do crescimento (GH) e adrenocorticotropina (ACTH). A proporção entre estrogênios e progesterona varia de acordo com a espécie, mas geralmente é necessária uma maior concentração de progesterona (proveniente do corpo lúteo ou da placenta). Quanto às hormonas hipofisárias, a prolactina desempenha um papel fundamental na diferenciação da glândula mamária (mesmo a baixas concentrações) ao estimular o desenvolvimento do epitélio secretor dos alvéolos. A GH favorece o crescimento dos ductos e a ACTH estimula a secreção de corticoides nas adrenais que, por sua vez, favorecem de forma generalizada o crescimento das glândulas. 3.3 Secreção da glândula mamária (lactogênese) A lactogênese, ou o processo pelo qual se produz a síntese e secreção do leite pela glândula mamária, começa no final da gestação coincidindo com o desencadeamento do parto. O primeiro leite formado imediatamente antes ou depois do parto é denominado colostro. No entanto, a lactação não pode desenvolver- se completamente até que se inicie o processo de parto. Isto deve-se ao fato de que o processo de lactação resulta de uma interação complexa de hormonas que preparam a glândula mamária para a secreção do leite. Os requisitos hormonais mínimos para o início da lactogênese são: aumento da secreção de estrogênios, prolactina e corticoides, juntamente com a diminuição da concentração de progesterona, perfis hormonais que estão intimamente relacionados com o desencadeamento do parto. Isto deve-se ao fato de que a progesterona inibe a atividade lactogênica da prolactina bloqueando a formação dos seus receptores na glândula mamária durante a gestação impedindo, assim, a prolactina de sintetizar os componentes fundamentais do leite. Pelo contrário, o aumento da concentração de estrogênios no final da gestação (figura 1, na seção do parto) estimula a síntese, o armazenamento e a secreção hipofisária de prolactina. Assim, apesar da glândula mamária estar preparada para iniciar a secreção de leite, muito antes da data prevista para o parto, a elevada concentração de progesterona (existente durante esse período de gestação) impede a fase láctea (saída do leite pelas tetas) de ocorrer antes da expulsão do feto. Desta forma, o feto poderá beneficiar das vantagens que o fornecimento do colostro materno irá trazer para a sua sobrevivência (imunização, nutrição e favorecimento da exoneração do mecônio). O aumento da concentração de estrogênios nos dias que antecederem o parto resulta num rápido aumento das concentrações plasmáticas de prolactina e corticoides. A prolactina é a hormona lactogênica mais importante na síntese dos componentes do leite. No entanto, para que esta hormona possa exercer a sua função, é necessária a participação dos corticoides, já que os mesmos são os responsáveis pelo desenvolvimento das organelas citoplasmáticas (retículo endoplasmático rugoso e aparelho de Golgi) onde se realiza a síntese do leite. No desenvolvimento da lactogênese, para além da prolactina e dos corticoides, participam também outras hormonas como a insulina, a tiroxina e o hormônio do crescimento. A insulina estimula a proliferação de novas células epiteliais na glândula mamária, enquanto a tiroxina, embora não seja essencial para a lactação, pode influenciar no volume de leite produzido pela fêmea (alta produção leiteira). Por último, a hormona do crescimento favorece, em geral, a lactação, existindo atualmente um interesse considerável no uso desta hormona para promover a produção adicional de leite em vacas através da sua administração exógena (trabalho e projeto desenvolvido pela professora titular e médica-veterinária do IFPB Campus Sousa Marianne Christina Velaqua). 3.3.1 Síntese e secreção dos componentes do leite Os principais constituintes do leite são: proteínas (caseína, alfa-lactalbumina, albumina sérica e imunoglobulinas), açúcares (lactose), gorduras (principalmente sob a forma de triglicerídeos), vitaminas, minerais e citrato (no caso dos ruminantes). As proteínas (caseína e alfa-lactalbumina) são sintetizadas no retículo endoplasmático rugoso e posteriormente embaladas em vesículas secretoras do aparelho de Golgi para serem liberadas da célula para a luz alveolar mediante um processo de exocitose. A lactose é o principal açúcar do leite que, além disso, atua regulando a pressão osmótica do mesmo de modo que o volume de leite que a glândula mamária segrega está diretamente relacionado com a quantidade de lactose presente. A síntese da lactose ocorre no aparelho de Golgi pela condensação de glicose e galactose; esta reação é catalisada por uma enzima (lactose sintetase) presente na membrana do aparelho de Golgi que, por sua vez, é ativada pela proteína alfa-lactalbumina. Esta proteína só aparece na glândula mamária e é essencial para a síntese da lactose, o que demonstra que este açúcar é exclusivamente formado no leite. A lactose é também embalada junto com o cálcio, o fosfato e as proteínas nas vesículas secretoras para ser expulsada ao lúmen alveolar por exocitose. As imunoglobulinas (anticorpos IgA) são formadas pelas células plasmáticas, derivadas dos linfócitos B do sangue, como consequência da exposição da mãe a diferentes microrganismos. Estes anticorpos passam para a glândula mamária por migração dessas células a partir dos tecidos adjacentes. Os triglicerídeos são sintetizados no citoplasma e no retículo endoplasmático liso a partir de ácidos graxos provenientes da circulação sanguínea; em seguida, unem-se formando glóbulos de gordura que se dirigem até o vértice da membrana plasmática para serem finalmente expelidos para a luz do alvéolo, rodeados pela membrana, formando assim uma dispersão de glóbulos de gordura (figura 5). Figura 5. Estrutura de três células alveolares durante a síntese do leite. Fonte: COWIE, 1980. Do ponto de vista quantitativo, a caseína e os triglicerídeos constituem as proteínas e as fontes de energia, respectivamente, mais importantes do leite. Por último, o citrato é um intermediário do metabolismo da glicose que ocorre em grande concentração no leite dos ruminantes. Este composto é também englobado no interior das vesículas secretoras, junto com os outros compostos, para sua expulsão à luz alveolar. A composição do leite varia dependendo da espécie animal, e difere também até entre a mesma espécie. Estas variações estão relacionadas com a raça, idade, estágio de lactação e estado nutricional do animal. O teor de gordura no leite de ovelhas, porcas, cadelas e gatas varia entre 7 e 10%. No gado leiteiro estes valores variam de 3,5 a 5,5%, dependendo da raça. Em relação às cabras, os valores de gordura são muito semelhantes aos das vacas, enquanto o leite das éguas é o que tem menor teor de gordura (tabela 1). Espécie Gordura Proteína Lactosa Cinzas/Cálcio Gata 7,1 10,1 4,2 0,5 Vaca holandesa 3,5 3,1 4,9 0,7 Cadela 9,5 9,3 3,1 1,2 Cabra 3,5 3,1 4,6 0,8 Égua 1,6 2,4 6,1 0,5 Tabela 1. Composição do leite em várias espécies (%). Fonte: JACOBISON, 1984. 3.4 Manutenção da lactação (galactopoiese) A capacidade da glândula mamária de secretar um grande volume de leite começa em/ou imediatamente antes do parto, para aumentar no período pós-parto durante um tempo variável e, posteriormente, diminuir de forma gradual. Em geral, existe um paralelismo entre a atividade secretora da glândula e a procura de leite por parte do lactente. Isto deve-se ao fato de sucção pelo lactente, ou a extração por ordenha, que constituem o fator fundamental para a manutenção da lactação. A sucção estimula a lactação de duas formas: a) reduzindo os efeitos inibitórios da pressão intramamária produzida pela acumulação de leite, e b) estimulando intensamente a secreção de hormonas necessárias para manter a síntese e secreção de leite nos alvéolos. As hormonas que desempenham um papel fundamental na manutenção da lactação são: I) a prolactina, que é responsável pela estimulação da síntese e secreção de leite nas células epiteliais nos alvéolos, e 2) a oxitocina, que provoca a contração das células musculares que circundam externamente os alvéolos e os ductos (células mioepiteliais). A libertação de ambos os hormônios ocorre como resultado de um reflexo neuroendócrino originado pela estimulação do mamilo. 3.4.1 Secreção reflexa de prolactina A secreção de prolactina é regulada por dois fatores hipotalâmicos: a dopamina, que inibe a secreção de prolactina e um fator cuja identidade não está bem definida, conhecido como fator liberador de prolactina (PRF)que estimula a liberação deste hormônio. O estímulo sensorial originado como sequência da estimulação do mamilo, pela sucção do lactente, é transportado através da medula espinhal para o hipotálamo, onde atua na inibição da dopamina ou estimulando a secreção do PRF para desencadear a secreção de prolactina da adenohipófise para a circulação sanguínea (figura 6). Figura 6. Reflexos neuroendócrinos secretores de prolactina e oxitocina. Fonte: HAFEZ, 2000. A prolactina estimula a secreção dos componentes do leite para a luz dos alvéolos, afim de repor o volume de leite extraído durante a última ordenha ou sucção. Ao mesmo tempo, a prolactina induz a síntese das proteínas, incluindo a alfa-lactalbumina para estimular novamente a síntese da lactosa, bem como as enzimas necessárias para a produção dos triglicerídeos. Desta forma, a secreção de prolactina originada pelo lactente durante o aleitamento proporciona um mecanismo simples para combinar o volume de produção de leite com as necessidades do lactente. A quantidade de prolactina liberada durante cada período de sucção depende do número de crias, da duração do estímulo e dos intervalos de tempo decorridos entre os períodos de sucção (ou ordenha). No caso das vacas leiteiras, as ordenhas são geralmente realizadas de doze em doze horas, intervalo de tempo suficiente para manter a lactogênese. Os valores plasmáticos de prolactina aumentam imediatamente após o início da ordenha, mas os valores mais elevados são obtidos cerca de meia hora após o início do estímulo (ordenha ou sucção). A secreção de prolactina e a produção de leite são influenciadas de alguma forma pelo fotoperíodo, uma vez que, em alguns animais se comprovou como o aumento do número de horas de exposição à luz dá origem a um aumento da concentração de prolactina circulante, bem como uma maior produção de leite (entre 6 e 10%) (trabalho e projeto elaborado pelos estudantes do curso técnico em agropecuária e da graduação em Medicina Veterinária do IFPB Campus Sousa sob a coordenação e orientação da profa. Me. Esp. Marianne C. Velaqua). 3.4.2 Reflexo da ejeção do leite A sucção do mamilo pelo lactente estimula os receptores sensoriais presentes nesta estrutura, originando a geração de impulsos nervosos que são transmitidos pelas vias nervosas ascendentes da medula espinhal para os corpos celulares produtores de oxitocina no hipotálamo. O estímulo desencadeia a síntese e liberação de um bolo de oxitocina através das terminações nervosas dos núcleos hipotalâmicos para a neurohipófise, da qual é transmitida, através do sangue, para a glândula mamária, provocando a contração das células mioepiteliais que rodeiam os alvéolos (figura 6). Além da estimulação direta do mamilo provocada pela sucção, qualquer estímulo relacionado à ordenha é capaz de gerar o reflexo da ejeção, por exemplo: os estímulos sensoriais auditivos (ruído dos cubos na hora da ordenha), visuais (ambiente da sala de ordenha), táteis (lavagem manual dos mamilos antes da ordenha) e os estímulos olfatórios que se produzem em torno do animal. O desencadeamento do reflexo de ejeção pelos estímulos sensoriais, que não estão diretamente relacionados com a sucção ou ordenha, indica a possível participação de centros superiores do sistema nervoso central para controlar a secreção de oxitocina. Esta teoria é baseada em que os estímulos relacionados com situações de estresse em animais de estimação (medo, ansiedade, frio, etc.) inibem a ejeção do leite. A contração das células mioepiteliais gera um aumento da pressão intra-alveolar mamária, provocando o deslocamento do leite para os ductos maiores da glândula. Este efeito é popularmente conhecido como diminuição do leite e constitui um mecanismo fisiológico muito eficaz para controlar a expulsão do leite para o mamilo, assegurando que a ejeção do leite se realize unicamente quando o lactente o demanda. O efeito estimulante da oxitocina é de grande importância já que a maior parte do leite se encontra nos alvéolos e nos ductos, com o qual, a ausência deste hormônio provocaria um lento movimento do leite para a cisterna do úbere e, portanto, uma menor quantidade de leite. Assim, quando os alvéolos e ductos menores são contraídos, ocorre o relaxamento dos ductos principais, bem como da cisterna (ruminantes) e do mamilo, o que dá origem a um aumento destas estruturas para alojar o volume de leite expelido. Como resultado da volumosa ejeção do leite dos alvéolos e ductos menores, ocorre um aumento da pressão intramamária de modo que o lactente terá que vencer a resistência do esfíncter do mamilo para poder extrair o leite. A produção de leite pela glândula mamária diminui gradualmente à medida que os intervalos de tempo entre os dois períodos de amamentação do lactente diminuem e os estímulos necessários para manter as concentrações de prolactina e oxitocina na circulação sanguínea. A diminuição ou cessação da secreção de leite, geralmente coincide com a mudança na alimentação das crias (desmame) para passar à dieta característica da espécie. 3.5 Colostro O colostro é o primeiro leite que se forma na glândula mamária coincidindo com o parto. A ingestão de colostro por recém-nascidos é de grande importância para a sua sobrevivência, não só pelo seu elevado valor nutritivo, mas também pelo seu teor em imunoglobulinas (IgA) que lhe confere a imunização passiva necessária para o proteger contra patologias. Em algumas espécies (homem, coelho e cobaia) grande parte dos anticorpos passam para a circulação do feto através da placenta durante a gestação. Nos animais domésticos (vaca, égua, ovelha, cabra, porco) as características da placenta (número de camadas entre a circulação materna e fetal) não permitem a passagem destas proteínas. Como resultado, a imunização das crias nestas espécies animais vai depender da transferência das imunoglobulinas através do colostro. O epitélio intestinal dos recém-nascidos permite a passagem destas imunoglobulinas durante as primeiras 24 a 48 horas de vida. Passado este tempo, o epitélio torna-se impermeável à passagem dos anticorpos, fato que põe em evidência a importância que tem para os animais recém-nascidos e desprovidos de defesas a ingestão do colostro durante os primeiros dias. A composição do colostro caracteriza-se (em relação ao leite normal) por um teor mais elevado de proteínas, vitaminas, minerais e uma menor concentração de lactose. A composição do colostro muda gradualmente durante os primeiros três dias após o parto para se transformar em leite normal. 4. RESUMO E PRIMEIRAS CONCLUSÕES O parto, ou processo fisiológico pelo qual se expulsa o feto, é o resultado da maturação sequencial de um sistema de comunicação hormonal. A sequência inicia-se no sistema nervoso central do feto de onde os sinais são transmitidos e amplificados, através da hipófise, para as glândulas adrenais fetais, as quais respondem ao estímulo mediante a secreção de cortisol. O aumento da concentração de cortisol por parte do feto indica que este conseguiu o desenvolvimento necessário para enfrentar a vida extrauterina e, portanto, é hora de interromper a gestação. O cortisol atua sobre a placenta para aumentar a secreção de estrogênios que, por sua vez, estimulam a síntese e a liberação de prostaglandinas. O resultado é a diminuição da progesterona, que é a hormona encarregada de manter a gestação ao inibir as contrações espontâneas do útero, impedindo assim a expulsão prematura do feto. O útero, sob os efeitos da prostaglandina, começa a contrair-se ao mesmo tempo que o colo uterino amolece e dilata progressivamente (fase preparatória do parto). A passagem do feto ao canal do parto origina a secreção reflexa de oxitocina (fase de expulsão), causando contrações de maior frequência e intensidade que culminam com a expulsão do feto. Finalmente, as contrações uterinas continuam durante algum tempo até que finalmente é expulsa a placenta (fase de expulsão da placenta). O desenvolvimento da glândula mamária durante a gestação e a subsequente capacidade desta estrutura para secretar leite, coincidindo com o parto, oferece aos animais pertencentes à classe biológica dos mamíferos a vantagem de alimentar as suas crias para assegurar a sua sobrevivência durante as primeiras fases do seu desenvolvimento e, portanto, a continuidade da espécie. A lactação constitui um dos processos fisiológicos mais complexos em consequência do grande número de hormonas que, segregadas de forma coordenada, controlam as diferentes fases pelo que atravessa este processo: I) mamogênese ou desenvolvimento dos dutos e estruturas lóbulo-alveolares durante a gestação; 2) lactogênese ou síntese láctea por células epiteliais e sua secreção para a luz alveolar coincidindo com o parto, e 3) galactopoiese ou manutenção da síntese e secreção do leite como consequência da sua extração da glândula mamária seja pela sucção da cria ou pela ordenha. -/- Emanuel Isaque Cordeiro da Silva – Departamento de Zootecnia da UFRPE. Recife, 2020. -/- REFERÊNCIAS BIBLIOGRÁFICAS -/- BEIGHLE, D. E. The effect of gestation and lactation on bone calcium, phosphorus and magnesium in dairy cows. Journal of the South African Veterinary Association, v. 70, n. 4, p. 142-146, 1999. BRACKELL, B. G.; JR SEIDEL, G. E.; SEIDEL, S. Avances en zootecnia nuevas técnicas de reproducción animal. Zaragoza: Acribia, 1988. COLE, H. H.; CUPPS, P. T. Reproduction in domestic animals. 1ª ed. Londres: Academic Press, 1977. COWIE, Alfred T.; FORSYTH, Isabel A.; HART, Ian C. Lactation. In: Hormonal control of lactation. Springer, Berlin, Heidelberg, 1980. p. 146-229. CUNNINGHAM, James G. Fisiología veterinaria. São Paulo: Elsevier, 2003. DERIVAUX, Jules; BARNABÉ, Renato Campanarut. Reprodução dos animais domésticos. Zaragoza: Acribia, 1980. DA SILVA, Emanuel Isaque Cordeiro. Definição de Conceitos Básicos na Reprodução Animal: Fertilidade, Fecundidade e Prolificidade-Suínos. Philarchive. Disponível em: -----. Acesso em: Fevereiro de 2020. DA SILVA, Emanuel Isaque Cordeiro. Características Gerais dos Bovinos/General Characteristics of Cattle Bovine. Philarchive. Disponível em: -----. Acesso em: Fevereiro de 2020. DA SILVA, Emanuel Isaque Cordeiro. Reprodução Animal: Fecundação e Gestação. Disponível em: Acervo IFPE. Acesso em: Março de 2020. FERNÁNDEZ ABELLA, Daniel Héctor. Principios de fisiología reproductiva ovina. Montevidéu: Hemisferio Sur1993. GONZÁLEZ, Félix HD. Introdução a endocrinologia reprodutiva veterinária. Porto Alegre: UFRGS, v. 83, 2002. HAFEZ, E. S. E.; HAFEZ, B. Reprodução animal. São Paulo: Manole, 2004. HAFEZ, Elsayed Saad Eldin; HAFEZ, B. (Ed.). Reproduction in farm animals. Nova Jersey: John Wiley & Sons, 2013. HUNTER, R. H. F. Reproducción de los animales de granja. Zaragoza: Acribia, 1987. HUNTER, Ronald Henry Fraser et al. Physiology and technology of reproduction in female domestic animals. Londres: Academic Press, 1980. ILLERA, M. Endocrinología Veterinaria y Fisiología de la Reproducción. Zaragoza: Fareso, 1994. JACOBSON, N. L.; MCGILLIARD, A. D. The mammary gland and lactation. Duke’s Physiology of Domestic Animals. 10th edition. Comstock Publishing Associates, Cornell University Press, Ithaca, New York, USA, p. 863-880, 1984. JAINUDEEN, M. R.; HAFEZ, E. S. E. Gestação, fisiologia pré-natal e parto. Revista Brasileira de Reprodução animal, v. 7, p. 141-142, 2004. LIGGINS, G. C. et al. physiological roles of progesterone, oestradiol-17beta and prostaglandin F2alpha in the control of ovine parturition. J Reprod and Fert Suppl, 1972. PÉREZ PÉREZ, F.; PÉREZ GUTIÉRREZ, F. Reproducción animal, inseminación animal y transplante de embriones. Barcelona: Cientifico-medica, 1985. ROBERTS, Stephen J. Obstetricia veterinaria y patología de la reproducción. Montevidéu: Hemiferio Sur, 1979. SALISBURY, G. W.; VANDERMARK, N. L. Phisiology of the reproduction and artificial insemination of cattle. San Francisco : Freeman e Company, 1961, 630 p. SHILLE, V. M. Fisiologia reprodutiva e endocrinologia da fêmea e do macho. Tratado de medicina interna veterinária. São Paulo: Manole, p. 1857-68, 1992. RUTTER, Bruno; RUSSO, Angel F. Fundamentos de la fisiología de la gestación y el parto de los animales domésticos. Buenos Aires: Eudeba, 2002. UNGERFELD, Rodolfo. Reproducción en los animales domésticos. Montevidéu: Melibea, 2002. (shrink)

When this article was first planned, writing was going to be exclusively about two things - the origin of life and human evolution. But it turned out to be out of the question for the author to restrict himself to these biological and anthropological topics. A proper understanding of them required answering questions like “What is the nature of the universe – the home of life – and how did it originate?”, “How can time travel be removed from fantasy and (...) science fiction, to be made scientific and practical?”, and “How can the proposed young age of genus Homo be made to actually be reasonable – when simply stating it would be solid ground for instant rejection and dismissal?” The result is that the article also talks about subjects like Artificial Intelligence, General Relativity, and cosmology. -/- From where did life originate? God? Evolution? Panspermia? If the tendency of humans and scientists to regard undiscovered science as pseudoscience can be overcome, Einstein gave another alternative to consider when he introduced General Relativity. Time isn’t linear – progressing in a straight line from past to present to future. That assumption ignores Relativity which states that space AND TIME are curved. Where did life and the genetic code come from? Can the answer build AI? -/- The first question can be answered by the section of this article titled SETI, Evolution, and Time which says life (possibly multicellular and intelligent) and the genetic code came from humans acquiring knowledge of these things over the centuries, then applying that knowledge – via terraforming, accumulation of raw materials like amino acids and nucleic acids, genetic engineering - to a time in the past when life didn’t exist. From that origin, life evolved through innumerable mutations and adaptations, with humans once again acquiring knowledge of it in cyclic (nonlinear) time. -/- The second question is answered by saying artificial intelligence (AI) as the product of life is only half of the equation. The other half refers to Relativity’s curved space-time and violation of the notion that time always travels from past to future. We have always lived in an artificially intelligent, non-probabilistic universe where everything in time and space is connected into one thing by quantum entanglement – making the brain and genes products of binary-digit activity or artificial intelligence (life is not merely dependent on biology’s “lock and key” mechanisms but also possesses AI). -/- The earliest documented representative of the genus Homo is Homo habilis, which evolved around 2.8 million years ago. Scientists used to believe there was a straight line from H. habilis to us, Homo sapiens. This article will use the “advanced” waves loved by Physics Nobel laureate Richard Feynman, view the history of science through the lens of Conic Sections applied to Relativity’s curved space-time, and incorporate the necessity of so-called imaginary time * – popularized by Prof. Stephen Hawking. While the evolutionary proposals are more in agreement with this early straight line than with modern theories, Albert Einstein’s General Relativity is used to transform the straight line into a curved line, ultimately concluding that Homo habilis (H. habilis) originated only (and unbelievably, as far as today’s science and technology is concerned) ~250,000 years ago. Other branches and dead ends of Homo – e.g. Neanderthals – are the result of mutations and adaptations, with the resultant modifications to anatomy and physiology. The surprisingly young age of H. habilis allows nearly 200,000 years for habilis, or one of its descendants, to reach Australia … if this country’s indigenous Aboriginal population did, as claimed, reach this “island continent” 60,000 years ago. -/- * The ultraviolet catastrophe, also called the Rayleigh–Jeans catastrophe, is a failure of classical physics to predict observed phenomena: it can be shown that a blackbody - a hypothetical perfect absorber and radiator of energy - would release an infinite amount of energy, contradicting the principles of conservation of energy and indicating that a new model for the behaviour of blackbodies was needed. At the start of the 20th century, physicist Max Planck derived the correct solution by making some strange (for the time) assumptions. In particular, Planck assumed that electromagnetic radiation can only be emitted or absorbed in discrete packets, called quanta. Albert Einstein postulated that Planck's quanta were real physical particles (what we now call photons), not just a mathematical fiction. From there, Einstein developed his explanation of the photoelectric effect (when quanta or photons of light shine on certain metals, electrons are released and can form an electric current). So it appears entirely possible that another supposed mathematical trickery (imaginary time and the y-axis of Wick rotation) will find practical application in the future. -/- The article includes mathematical references to cosmology (spoiler alert – you’ll read about things like Vector-Tensor-Scalar Geometry, topology, the “eternal present”, Einstein’s Unified Field, the inverse-square law, and there being no Big Bang and no multiverse - but there will also be no equations). -/- The other subheadings in this essay are – -/- NONLINEAR TIME AND ELECTRICAL ENGINEERING (about a 2009 electrical engineering experiment at America’s Yale University, and cosmic wormholes) -/- BITS AND TOPOLOGY (base-2 maths aka Binary digiTS, Mobius strips, and figure-8 Klein bottles) -/- WICK ROTATION, CAUSALITY, AND UNITING TIME (do past, present and future co-exist in an “eternal present”?) -/- DIGITAL BRAIN, DIGITAL UNIVERSE (if the brain and the universe are ultimately composed of binary digits, we'll someday be able to do the same things with the brain and universe that we now do with computers) -/- PROPOSAL: HUMAN AND ANIMAL INSTINCTS ARE THE RESULT OF THE UNIVERSE BEING UNIFIED BY BINARY DIGITS (AND TOPOLOGY) (If everything in the universe is ultimately composed of electronic BITS, then the universe must possess Artificial Intelligence - some prefer the term Cosmic Consciousness) -/- INFORMATION THEORY CONQUERS A RED GIANT (preserving Earth by keeping the Sun near today’s level of activity forever). 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In Brazil, the social demand for veterinary expertise is growing. However, there is still a shortage of professionals trained in this area to apply specific knowledge to each case. Studies and research into forensic veterinary medicine are necessary for veterinary experts to assist in investigations and legal proceedings. Veterinary medicine has subjects on its curriculum that cover the knowledge needed to apply in the fields of animal health, public health and the environment. The interaction between human and veterinary medicine, as (...) well as other areas of health, is of great importance in the prevention and control of various diseases, both in animals and humans. Some cases of infectious bovine abortion have a major impact not only on cattle farming and animal health, but also on public and environmental health. The concept of "One Health" integrates human medicine and health professionals. In this context, knowledge of infectious abortive diseases that affect animal, human and environmental health is fundamental. Cattle are affected by specific infectious abortive diseases, caused by pathogens with different forms of presentation and transmission mechanisms. These include brucellosis, leptospirosis and listeriosis, which are potentially zoonotic diseases. Controlling these diseases can contribute to effective public health actions and reduce global health risks. In order to establish the diagnosis of these diseases, it is essential to properly collect specimens from live or dead animals under biosafety and biosecurity conditions, following the chain of custody for each case. These procedures allow for greater success in diagnosing the suspected agent and facilitate the investigation of other causes. Animal health standards for the prophylaxis and control of these diseases are established by specific legislation, including those of the Ministry of Agriculture, Livestock and Supply (MALS). This literature review was based on current knowledge on the Pubmed platform, Google Scholar, articles and textbooks. The aim of this article is to identify, understand and discuss the main infectious abortive diseases of cattle in the legal and forensic context, which have an impact on cattle farming, animal health, food safety, public and environmental health. -/- Referências bibliográficas Abdullah, N. M., Mohammad, W. M. Z. W., Shafei, M. N., Sukeri, S., Idris, Z., Arifin, W. N., Nozmi, N., Saudi, S. N. S., Samsudin, S., & Zainudin, A.-W. (2019). Leptospirosis and its prevention: knowledge, attitude and practice of urban community in Selangor, Malaysia. BMC Public Health, 19(1), 1–8. Agrimani, D. S. R., Rui, B. R., Cruz, I. V, Romano, R. M., & Lopes, H. C. (2011). Retenção de Placenta em Vacas e Éguas: Revisão de Literatura. Revista Científica Eletrônica de Medicina Veterinária, 9(16), 1–12. Albuquerque, F. R. G., Dessanti, G. A., Neto, J. A. A., Marinho, M. R., & Barros, R. B. P. (2018). Os efeitos e consequências da leptospirose na gestação. Cadernos da Medicina-UNIFESO, 1(1), 75–82. Alencar, Á. G. (2001). Do conceito estratégico de segurança alimentar ao plano de ação da FAO para combater a fome. Revista Brasileira de Política Internacional, 44(1), 137–144. Almeida, Í. C., Sena, L. M., Maretto, V., & Martins, C. B. (2019). Aspectos relacionados a retenção de placenta em vacas. PUBVET, 13(1), 1–7. Amaral, J. B., & Tremori, T. M. (2022). Exame de corpo de delito nas perícias de bem-estar em bovinos leiteiros: Revisão. PUBVET, 16(4), 1–14. Amaral, J. B., Tremori, T. M., Silva, W. L., & Reis, H. M. G. (2023). Perícias legal e forense no laboratório veterinário: Revisão. PUBVET, 17(7), e1420. Amaral, J. B., Trevisan, G., Tremori, T. 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Ministério da Saúde, Conselho Nacional de Saúde, Resolução 287, de 8 de outubro de 1998. Dispõe sobre o Plenário do Conselho Nacional de Saúde em reunião nos dias 7 e 8 de 1998. BRASIL (2017). Decreto Federal nº 9.013, de 29 de março de 2017. Estabelece normas para a inspeção técnica e fiscalização sanitária de animais vivos, produtos e subprodutos de origem animal. Diário Oficial da União, Brasília, DF, 30 mar. 2017. BRASIL (2006). Ministério da Agricultura, Pecuária e Abastecimento. Instrução Normativa MAPA nº 65, de 3 de novembro de 2006. Estabelece padrões para garantir a qualidade do sêmen utilizado na reprodução bovina. Diário Oficial da União, Brasília, DF, 6 nov. 2006. BRASIL (2013). Ministério da Agricultura, Pecuária e Abastecimento. Instrução Normativa MAPA nº 50, de 21 de novembro de 2013. Estabelece diretrizes para a coleta de materiais biológicos destinados a exames laboratoriais em animais terrestres. Diário Oficial da União, Brasília, DF, 22 nov. 2013. BRASIL (2017). 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