International Journal of Philosophical Studies, Volume 20, Issue 2, Page 271-287, May 2012.

Barresi & Moore provide an impressive account of how the coordination of first and third person information about the self and other could produce an account of intentional relations. They are less explicit as to how the child comes to understand the basic epistemic relation between experience and knowledge, that is, how informational access causes belief. We suggest one route.

In many critical investigations of machine vision, the focus lies almost exclusively on dataset bias and on fixing datasets by introducing more and more diverse sets of images. We propose that machine vision systems are inherently biased not only because they rely on biased datasets but also because theirperceptual topology, their specific way of representing the visual world, gives rise to a new class of bias that we callperceptual bias. Concretely, we define perceptual topology as the set of those inductive (...) biases in machine vision systems that determine its capability to represent the visual world. Perceptual bias, then, describes the difference between the assumed “ways of seeing” of a machine vision system, our reasonable expectations regarding its way of representing the visual world, and its actual perceptual topology. We show how perceptual bias affects the interpretability of machine vision systems in particular, by means of a close reading of a visualization technique called “feature visualization”. We conclude that dataset bias and perceptual bias both need to be considered in the critical analysis of machine vision systems and propose to understand critical machine vision as an important transdisciplinary challenge, situated at the interface of computer science and visual studies/Bildwissenschaft. (shrink)

In this model consciousness is a form of memory. We are essentially “living in the past” as our experience, the qualia, is always of past events. Consciousness represents the storage of past events for use in future situations and it is altered by external experience of the organism. Psychological frameworks of conditioning and learning theory are used to explain this model along with recent neuropsychological research on synaesthesia and phantom limb pain. Consciousness results from the gradual evolutionary development of the (...) human information processing function. Language is hypothesised to have evolved at a pre-conscious stage of human development as a function of the need for ‘within-organism’ data storage. Communication with others may not have been the initial evolutionary advantage conferred by language. The later incidental use of language as a communication tool, which results in the reflecting back of one’s experience through others, is what has triggered a conscious experience. (shrink)

Higher-order theories of consciousness, such as those of Armstrong, Rosenthal and Lycan, typically distinguish sharply between consciousness and phenomenal character, or qualia. The higher-order states posited by these theories are intended only as explanations of consciousness, and not of qualia. In this paper I argue that the positing of higher-order perceptions may help to explain qualia. If we are realists about qualia, conceived as those intrinsic properties of our experience of which we are introspectibly aware, then higher-order perception might have (...) an explanatory role as the means by which we are aware of these properties. This would also allow us to treat qualia as the inner appearances resulting from inner perceptions, and therefore to treat them as intentional objects. (shrink)

One of the most widely-discussed arguments against physcialism appeals to the conceivability of zombies, being which are physically or functionally identical to humans but which have no conscious experiences. Philip Goff : 119–139, 2010; Consci Cognit 21: 742–746, 2012a; in Sprevak M, Kallestrup J New waves in philosophy of mind. Palgrave, 2014) has recently presented a number of different anti-physicalist arguments appealing to the conceivability of ghosts, entities whose nature is exhausted by their being conscious. If ghosts are conceivable, this (...) would rule out a priori physicalism. If the conceivability of ghosts entails that they are metaphysically possible, then this forms the basis for arguments against a posteriori physicalism. Drawing on work on conceivability by Peter Kung :620–663, 2010, Noûs 50: 90–120, 2016) and my own discussion of arguments which appeal to the conceivability of zombies Consciousness and the ontology of properties. Routledge, New York, 2019), I shall argue that ghosts are conceivable, but that what allows us to conceive of them undermines the belief that conceivability is a reliable guide to possibility. While this does not undermine Goff’s argument against a priori phyiscalism, it suggests that a posteriori physicalists need not be haunted by ghosts. (shrink)

Thought: A Journal of Philosophy, Volume 8, Issue 4, Page 303-312, December 2019.

We argue that contemporary psychiatry adopts a defensive strategy vis-à-vis various external sources of pressure. We will identify two of these sources – the plea for individual autonomy and the idea of Managed Care – and explain how they have promoted a strict biomedical conception of disease. The demand for objectivity, however, does not take into account the complexity of mental illness. It ignores that the psychiatrist’s profession is essentially characterized by fragility: fluctuating between scientific reduction and the irreducible complexity (...) of reality. Therefore, the psychiatrist is not in need of hard and fast rules, but of judgment. At the end, we suggest that philosophy could inject some healthy uncertainty within psychiatry in order to restore its fragile identity. Our examples are drawn from the Dutch situation but we are confident that they apply to other countries as well. (shrink)

The paper argues that contemporary consciousness studies can profit from Charles S. Peirce’s philosophy of consciousness. It confronts mainstream tendencies in contemporary consciousness studies, including those which consider consciousness as an unsolvable mystery, with Peirce’s phenomenological approach to consciousness. Peirce’s answers to the following contemporary issues are presented: phenomenological consciousness and the qualia, consciousness as self-controlled agency of humans, self-control and self-reflection, consciousness and language, self-consciousness and introspection, consciousness and the other, consciousness of nonhuman animals, and the question of a (...) quasi-consciousness of the physical universe. A detailed account of Peirce’s three modes of consciousness is presented: primisense, qualisense or feeling-consciousness, altersense, and medisense, the consciousness of cognition, thought, and reasoning. In contrast to consciousness studies that establish a rather sharp dividing line between conscious and unconscious states of mind, Peirce adopts the principle of synechism, the theory of continuity. For him, consciousness is a matter of degree. An important difference between Peirce’s concept of qualia and current theories of qualia in human consciousness is discussed. The paper shows how consciousness, according to Peirce, emerges from unconscious qualia and vanishes into equally unconscious habits. It concludes with a study of the roles of qualia, habit, and self-control in Peirce’s theory of signs, in particular in qualisigns and symbols, and the question of signs as quasi-conscious agents in semiosis. (shrink)

According to mentalism some existing things are endowed with (subjectively) conscious minds. According to physicalism all existing things consist entirely of physical particles in fields of force. Searle holds that mentalism and physicalism are compatible and true.

Je vše, co se ve světě nějak děje či existuje, resp. každá jednotlivá událost, podmíněna příčinným vztahem a procesy v přírodě a v duchovním životě tedy probíhají na základě daných zákonů, anebo alespoň v určité míře vládne náhoda, svévole či svoboda? Těmito a veškerými jim podobnými otázkami, vztahujícími se svou podstatou k otázce platnosti zákonu kauzality, potažmo determinismu či indeterminismu, se filozofové zabývali v podstatě odjakživa a filozofie vědy se jimi zabývá dodnes. V Plackově době pak představovaly zvláště v exaktních (...) přírodních vědách velmi diskutovaný problém a sám Max Planck na toto téma přednesl několik přenášek, kde se velmi přístupným způsobem snaží dané problémy rozebírat na základě mnohých smýšlených situací i konkrétních případů. Příspěvek se zabývá Planckovým pohledem na zákon kauzality obecně, postavením pojmu kauzality přímo ve fyzice, v rámci které je nutné osvětlit pojem "fyzikální světoobraz", současně pak na možnou míru slučitelnosti zákona kauzality se svobodnou lidskou vůlí. Celým příspěvkem pak nutně prolíná neustálá Planckova polemika s pozitivismem a přívrženci indeterminismu. (shrink)

Though the brain and its neuronal states have been investigated extensively, the neural correlates of mental states remain to be determined. Since mental states are experienced in first-person perspective and neuronal states are observed in third-person perspective, a special method must be developed for linking both states and their respective perspectives. We suggest that such method is provided by First-Person Neuroscience. What is First-Person Neuroscience? We define First-Person Neuroscience as investigation of neuronal states under guidance of and on orientation to (...) mental states. An empirical example of such methodological approach is demonstrated by an fMRI study on emotions. It is shown that third- and first-person analysis of data yield different results. First-person analysis reveals neural activity in cortical midline structures during subjective emotional experience. Based on these and other results neural processing in cortical midline structures is hypothesized to be crucially involved in generating mental states. Such direct linkage between first- and third-person approaches to analysis of neural data allows insight into the "point of view from within the brain", that is what we call the First-Brain Perspective. In conclusion, First-Person Neuroscience and First-Brain Perspective provide valuable methodological tools for revealing the neuronal correlate of mental states. (shrink)

Emotional feeling can be defined as the affective constituent of emotions representing a subjective experience such as, for example, feeling love or hate. Several recent neuroimaging studies have focused on this affective component of emotions thereby aiming to characterise the underlying neural correlates. These studies indicate that the orbitomedial prefrontal cortex is crucially involved in the processing of emotional feeling. It is the aim of this paper to analyse the extent to which the present state of the art in neuroscience (...) enables emotional feeling to be related to specific brain regions. In the first step, methodological and theoretical problems in the investigation of emotional feeling will be discussed leading to the characterisation of a “twofold gap.” This gap represents (a) the theoretical difficulties encountered in transforming vivid subjective experience into a theoretical psychological concept, and (b) the problems of implementing such a concept by performing empirical studies. Based on these considerations we suggest approaches for future empirical studies. In the second step, a group of functional neuroimaging studies focusing on the affective constituent of emotions will be discussed in detail with regard to the theoretical problems outlined in the first step. (shrink)

This article proposes a methodological schema for engaging in a productive discussion of ethical issues regarding human brain organoids, which are three-dimensional cortical neural tissues created using human pluripotent stem cells. Although moral consideration of HBOs significantly involves the possibility that they have consciousness, there is no widely accepted procedure to determine whether HBOs are conscious. Given that this is the case, it has been argued that we should adopt a precautionary principle about consciousness according to which, if we are (...) not certain whether HBOs have consciousness—and where treating HBOs as not having consciousness may cause harm to them—we should proceed as if they do have consciousness. This article emphasizes a methodological advantage of adopting the precautionary principle: it enables us to sidestep the question of whether HBOs have consciousness and, instead, directly address the question of what kinds of conscious experiences HBOs can have, where the what-kind-question is more tractable than the whether-question. By addressing the what-kind-question, we will be able to examine how much moral consideration HBOs deserve. With this in mind, this article confronts the what-kind-question with the assistance of experimental studies of consciousness and suggests an ethical framework which supports restricting the creation and use of HBOs in bioscience. (shrink)

This paper aims to uncover where the disagreement between illusionism and anti-illusionism about phenomenal consciousness lies fundamentally. While illusionists claim that phenomenal consciousness does not exist, many philosophers of mind regard illusionism as ridiculous, stating that the existence of phenomenal consciousness cannot be reasonably doubted. The question is, why does such a radical disagreement occur? To address this question, I list various characterisations of the term “phenomenal consciousness”: (1) the what-it-is-like locution, (2) inner ostension, (3) thought experiments such as philosophical (...) zombies, inverted qualia and Mary’s room, (4) scientific knowledge about secondary properties, (5) theoretical properties such as being ineffable and being intrinsic, and (6) appearance/reality collapse. Then I examine whether each characterization provides (i) a dubitable sense of phenomenal consciousness in which the existence of phenomenal consciousness can be reasonably doubted, (ii) an indubitable sense in which its existence cannot be reasonably doubted, or (iii) a gray sense in which it is controversial whether its existence can be reasonably doubted. By doing so, I show that there is no single sense of phenomenal consciousness in which illusionists and anti-illusionists disagree whether the existence of phenomenal consciousness can be reasonably doubted. I conclude that the disagreement between illusionists and anti-illusionists is fundamentally terminological: while illusionists adopt a dubitable sense of phenomenal consciousness, anti-illusionists adopt an indubitable sense of phenomenal consciousness. Because of the extreme vagueness and ambiguity of the term “phenomenal consciousness”, illusionists and anti-illusionists fail to see that they talk about different senses of phenomenal consciousness. (shrink)

A widely shared view in the literature on first-person thought is that the ability to entertain first-person thoughts requires prior non-conceptual forms of self-consciousness. Many philosophers maintain that the distinctive awareness which accompanies the use of the first person already presupposes a non-conceptual consciousness of the fact that oneself is the owner of a first-person thought. I call this argument The Argument for Non-Conceptual Self-Consciousness based on the Meaning of “I” and will demonstrate that most proponents of the presented argument (...) fail to establish their conclusion, even though I believe that the conclusion is actually true. The argument only justifies the claim that contextual information is needed in order to recognize oneself as the referent of an occurrence of the first person. However, it does not justify the thesis that this information needs to be given consciously and thus the existence of any non-conceptual self-consciousness. Finally, I shall present an argument for the assumption that some form of self-consciousness is needed to reflexively think about oneself via the first-person concept. In order to do so, I will draw on the general discussion about the functional role of consciousness. In particular, I will rely on results recently proposed by Frith and Metzinger (2016), Frith (Pragmatics & Cognition 18:497–551, 2010, Cognitive Neuroscience 2:117–118, 2011), Graziano (2013, Frontiers in Robotics and AI 4:article 60, 2017), and Graziano and Kastner (Cognitive Neuroscience 2:98–113, 2011), which suggest that one of the central functions of consciousness is to provide information about mental states for communication. (shrink)

Anti-naturalists share the conviction that something is wrong with the naturalistic conceptual frame and with the idea that in principle all events are explainable by using the means of physics. Physicalist naturalism is the modern form of old fashioned materialism. And there is no doubt that naturalism is still going strong notwithstanding its critiques. In ethics the boom of present-day Kantian constructivism can be understood as the last and maybe the most sophisticated “naturalist” answer to the realist challenge in ethics. (...) Assuming that our language of morals is objectivist as John Mackie conceded , the project of analytical philosophy to transform ethics into philosophy of language showing that the ordinary language use of normative predicates like ought or good can and should be interpreted as expressing subjective attitudes, collapsed.To be sure analytical metaethics produced a broad spectrum of quite different subjectivits theories from Ayer’s and Stevenson’s emot .. (shrink)

This article discusses recent disagreements over the correct formulation of physicalism. Although there appears to be a consensus outside those who discuss the issue that physicalists believe that what exists is what is countenanced by physics, as we will see, this orthodoxy faces an important puzzle now frequently referred to as 'Hempel's Dilemma'. After surveying the historical trajectory from Enlightenment-era materialism to contemporary physicalism, I examine several mainstream approaches that respond to Hempel's dilemma, and the benefits and drawbacks of each.

When philosophers and psychologists think about consciousness, they generally focus on one or more of three features: phenomenality , intentionality , and introspectibility . Using examples from empirical psychology and neuroscience, I argue that consciousness is not a unitary state, that, instead, these three features characterize different and dissociable states, which often happen to occur together. Understanding these three features as dissociable from each other will resolve philosophical disputes and facilitate scientific investigation.

Having, in previous papers, distinguished at least three forms of consciousness , I now further examine their differences. This examination has some surprising results. Having argued that neither C1 nor C2 is a phenomenological state?and so different from CN?I now show that CN itself is best thought of as a subclass of a larger state . CS is the set of image?representation states. CN is that set of CS states that we are also C2 about. I argue that CN states (...) should be considered a subset of CS states because they share with other CS states imagistic representational powers as opposed to the sentential ones of C1 and C2. And I argue that there are good reasons to consider any state which utilises imagistic representation as a sensation. I then show that the notion of an unconscious sensation makes sense if we think of it as a CS state that is not C2. More radically, I conclude that either it makes sense to say that there are unfelt sensations or there are felt sensations we are not conscious about. While there are good reasons for saying one or the other of these surprising things, I argue that the second, more radical sounding, alternative is actually better motivated?and not quite so surprising as it sounds. (shrink)

In 1986, I argued that pains are essentially not phenomenal states. Using a Wittgen-steinian son of argument, I showed that the same sort of phenomena can be had on different occasions, and on one occasion persons be in pain, while on another occasion persons not be in pain. I also showed that very different phenomena could be experienced and, yet, organisms have the same sort of pain. I supported my arguments with empirical data from both laboratory and clinical studies. There (...) is nothing about this thesis I would now retract. However, there was a further thesis that needs to be reconsidered. I argued that phenomenal states are only accompaniments of pains, that pains are essentially a combination of cognitive, affective and behavioural/motivational states. This thesis I do now zaish to retract. I now argue that phenomenal states are necessary for pains, but still not sufficient. There must also be a cognitive state which involves an evaluation of the phenomenon as something like, 'Harm to the body'. The evaluation is a kind of de re belief, regarding the phenomenon as itself representing harm to the body. Besides admitting that phenomenal states are necessary for pains, I also now claim that other relevant belief states, affective states, and behavioural/motivational states are not necessary for pain, but normal consequences of pain. This revised theory is preferable to the 1986 one because it fits better with empirical facts (including providing better explanations for anomalous cases), fits better with certain powerful common-sense intuitions, and fits better with a larger theory of consciousness I have been developing. Among other things, it turns out that being in pain is a quite peculiar conscious state and considering it as a paradigm for consciousness is a serious mistake. (shrink)

The intentionality schema is an abstraction that relates phylogenetic and ontogenetic sequences of social understanding, but it also obscures the differences between humans and other primates. In particular, it ignores human social developmental and communicative history and the important roles that language plays in human understanding of others' intentional states.

An influential thesis in contemporary philosophy of mind is that subjectivity is best conceived as inner awareness of qualia. has argued that this unique subjective awareness generates a paradox which resists empirical explanation. On account of this “paradox of subjective duality,” Levine concludes that the hardest part of the hard problem of consciousness is to explain how anything like a subjective point of view could arise in the world. Against this, I argue that the nature of subjective thought is not (...) correctly characterized as inner awareness, that a non-paradoxical approach to the first-person perspective is available, and that the problem about subjectivity should be distinguished from the perennial problem of qualia or phenomenal properties. (shrink)

It is widely accepted among philosophers that neuroscientists are conducting a search for the neural correlates of consciousness, or NCC. Chalmers conceptualized this research program as the attempt to correlate the contents of conscious experience with the contents of representations in specific neural populations. A notable claim on behalf of this interpretation is that the neutral language of “correlates” frees us from philosophical disputes over the mind/body relation, allowing the science to move independently. But the experimental paradigms and explanatory canons (...) of neuroscience are not neutral about the mechanical relation between consciousness and the brain. I argue that NCC research is best characterized as an attempt to locate a causally relevant neural mechanism and not as an effort to identify a discrete neural representation, the content of which correlates with some actual experience. It might be said that the first C in “NCC” should stand for “causes” rather than “correlates.”. (shrink)

I aim to show that, contrary to standard deflationary or eliminativist theories of the self, we can argue from the phenomenology of pre-reflective self-awareness for the thesis that subjects of experience are substances. The phenomenological datum of subjectivity points to a specific metaphysical structure of our experience, that is, towards the substance view rather than the bundle or the minimal self view. Drawing on modern philosophical accounts of pre-reflective self-awareness, mineness and (self-) acquaintance, I will argue that a subject is (...) aware of being the one individual who has many experiences and that it is revealed to the subject that it is the bearer of experiences and their unifier. The subject is present in pre-reflective awareness and known as the subject of experiences, and even this minimal self-awareness gives us reason to favour the substance view. Thus, one can demonstrate how the debates on the phenomenology of pre-reflective self-awareness and the metaphysics of selfhood intersect. (shrink)

The integrated information theory is an ambitious theory of consciousness that aims to provide both a neuroscientific and a metaphysical account of consciousness by identifying consciousness with integrated information. In the philosophical literature, IIT is often associated with a panpsychist worldview. In this paper, I show that IIT can be considered, instead, as a form of emergentism that is incompatible with panpsychism. First, I show that the panpsychist interpretation of IIT is based on two properties of integrated information: intrinsicality and (...) fundamentality. I show that the way IIT deals with these two properties, however, aligns better with emergentism than panpsychism. Then, after plugging some anti-panpsychist assumptions into IIT’s structure, I analyse different philosophical options for interpreting the formal result of causal emergence of integrated information in terms of dependence on and autonomy from its physical substrate. The upshot is that integrated information can be seen as dependent upon the fusion of the cause-effect powers of a physical substrate, and as autonomous in virtue of global-to-local determination. According to this interpretation, consciousness is the constraining power of the system as a whole upon itself, when this power emerges from the fusion on the cause-effect powers of the system’s components. (shrink)

A-consciousness may be regarded as the visibility of information that is the output of a process within a community of other processes. The most prominent function of “public” dissemination of information is giving access to it to processes whose relevance is not clear at the moment of dissemination. The function of P-consciousness may be outside the realm of cognition.

The advent of the intelligent robot has occupied a significant position in society over the past decades and has given rise to new issues in society. As we know, the primary aim of artificial intelligence or robotic research is not only to develop advanced programs to solve our problems but also to reproduce mental qualities in machines. The critical claim of artificial intelligence advocates is that there is no distinction between mind and machines and thus they argue that there are (...) possibilities for machine ethics, just as human ethics. Unlike computer ethics, which has traditionally focused on ethical issues surrounding human use of machines, AI or machine ethics is concerned with the behaviour of machines towards human users and perhaps other machines as well, and the ethicality of these interactions. The ultimate goal of machine ethics, according to the AI scientists, is to create a machine that itself follows an ideal ethical principle or a set of principles; that is to say, it is guided by this principle or these principles in decisions it makes about possible courses of action it could takea. Thus, machine ethics task of ensuring ethical behaviour of an artificial agent. Although, there are many philosophical issues related to artificial intelligence, but our attempt in this paper is to discuss, first, whether ethics is the sort of thing that can be computed. Second, if we are ascribing mind to machines, it gives rise to ethical issues regarding machines. And if we are not drawing the difference between mind and machines, we are not only redefining specifically human mind but also the society as a whole. Having a mind is, among other things, having the capacity to make voluntary decisions and actions. The notion of mind is central to our ethical thinking, and this is because the human mind is self-conscious, and this is a property that machines lack, as yet. (shrink)

In response to the objection that his “access-consciousness” is not really consciousness but a matter of the availability of certain information for certain kinds of processing, Block will probably have to argue that consciousness in a more basic, familiar, traditional sense is an essential component of any instance of access-consciousness and thus justifies the name.

The problem of consciousness is one of the most important problems both in cognitive science and in philosophy. There are different philosophers and different scientists who define consciousness and explain it differently. In philosophy, ‘consciousness’ does not have a definition in terms of genus and differentia or necessary and sufficient conditions. In this paper, I shall explore the very idea of machine consciousness. The machine consciousness has offered causal explanation to the ‘how’ and ‘what’ of consciousness, but they fail to (...) explain the ‘why’ of consciousness. Their explanation is based on the ground that consciousness is causally dependent on the material universe and that of all conscious phenomena can be explained by mapping the physical universe. In this regard, consciousness is basically a physical phenomenon and can be mechanically explained following the naturalistic methods of science. In other words, the mechanistic assumption is that consciousness and mind have an artificial origin and therefore have to be understood only within a mechanistic framework available in the sciences. If this is so, then this epistemological theory of consciousness is essentially committed to scientific world view that cannot avoid metaphysical implication of consciousness. At the same time, neo-Advaitins have maintained that the evolution of nature leads to the manifestation of human consciousness only because consciousness is already implicit in the material nature. Thus, the existence of consciousness in this physical world far exceeds the methods of science and needs a non-mechanical metaphysical explanation. (shrink)

When looking for an account that explains how pain changes consciousness, one finds that most studies in the phenomenology of pain focus either on the outcome of the change, or on how it affects the self, as a conscious object, and the self’s experiences in the world of objects. This paper focuses on the mechanism of consciousness, exploring the nature of the change that pain creates in consciousness and how exactly that change occurs. The paper provides a systematic, phenomenological inquiry (...) in three phases: one identifies three essential attributes of consciousness, another identifies three essential attributes of pain, and a third analyses the outcome of the integration between both sets of attributes. The paper demonstrates how the change wrought by pain on the self, as a conscious object, allows the self to breach its boundaries as an object, and experience being a non-object, even if only in part and temporarily. (shrink)

What does it feel like to be a bat? Is conscious experience of echolocation closer to that of vision or audition? Or do bats process echolocation nonconsciously, such that they do not feel anything about echolocation? This famous question of bats' experience, posed by a philosopher Thomas Nagel in 1974, clarifies the difficult nature of the mind–body problem. Why a particular sense, such as vision, has to feel like vision, but not like audition, is totally puzzling. This is especially so (...) given that any conscious experience is supported by neuronal activity. Activity of a single neuron appears fairly uniform across modalities and even similar to those for non-conscious processing. Without any explanation on why a particular sense has to feel the way it does, researchers cannot approach the question of the bats' experience. Is there any theory that gives us a hope for such explanation? Currently, probably none, except for one. Integrated information theory has potential to offer a plausible explanation. IIT essentially claims that any system that is composed of causally interacting mechanisms can have conscious experience. And precisely how the system feels is determined by the way the mechanisms influence each other in a holistic way. In this article, I will give a brief explanation of the essence of IIT. Further, I will briefly provide a potential scientific pathway to approach bats' conscious experience and its philosophical implications. If IIT, or its improved or related versions, is validated enough, the theory will gain credibility. When it matures enough, predictions from the theory, including nature of bats' experience, will have to be accepted. I argue that a seemingly impossible question about bats' consciousness will drive empirical and theoretical consciousness research to make big breakthroughs, in a similar way as an impossible question about the age of the universe has driven modern cosmology. (shrink)

i l l ustrat es t he di ffi cul t y of providing a purely physical characterisation of phenomenal experi ence wi t ha vi vi d exampl e about a bat ’ s sensory apparatus. Whi l e a number of obj ect i ons have al ready been made to Nagel.

Kim Atkins argues that Thomas Nagel’s argument regarding a bat’s phenomenal experience is important for understanding the value placed on patient autonomy in medical ethics. In this paper I demonstrate that Atkins’s argument (a) is based on her misinterpretations of Nagel’s argument, and (b) can be established without appealing to such a controversial assumption as that which she makes.