Results for 'hallucinations'

161 found
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  1. Some hallucinations are experiences of the past.Michael Barkasi - 2020 - Pacific Philosophical Quarterly 101 (3):454-488.
    When you hallucinate an object, you are not in the normal sort of concurrent causal sensory interaction with that object. It's standardly further inferred that the hallucinated object does not actually exist. But the lack of normal concurrent causal sensory interaction does not imply that there does not exist an object that is hallucinated. It might be a past‐perceived object. In this paper, I argue that this claim holds for at least some interesting cases of hallucination. Hallucinations generated by (...)
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  2. Hallucination and Its Objects.Alex Byrne & Riccardo Manzotti - 2022 - Philosophical Review 131 (3):327-359.
    When one visually hallucinates, the object of one’s hallucination is not before one’s eyes. On the standard view, that is because the object of hallucination does not exist, and so is not anywhere. Many different defenses of the standard view are on offer; each have problems. This paper defends the view that there is always an object of hallucination—a physical object, sometimes with spatiotemporally scattered parts.
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  3. Hallucination as Mental Imagery.Bence Nanay - 2016 - Journal of Consciousness Studies 23 (7-8):65-81.
    Hallucination is a big deal in contemporary philosophy of perception. The main reason for this is that the way hallucination is treated marks an important stance in one of the most hotly contested debates in this subdiscipline: the debate between 'relationalists' and 'representationalists'. I argue that if we take hallucinations to be a form of mental imagery, then we have a very straightforward way of arguing against disjunctivism: if hallucination is a form of mental imagery and if mental imagery (...)
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  4. Hallucination Without Sensible Qualities.Dominic Alford-Duguid - forthcoming - In Ori Beck & Farid Masrour (eds.), The Relational View of Perception: New Essays. Routledge.
    This chapter introduces and motivates the Null View about standard causally matching hallucinations. The Null View holds that these hallucinations fail to present any objects or sensible qualities, despite being dead ringers for perceptions of ordinary objects and their qualities. Motivation for the Null View comes from a neglected observation about perception-based thought, namely that perception can permit perception-based thought about a sensible quality even while misleading a subject about that quality. The chapter's other contribution is defensive. Most (...)
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  5. Does Hallucinating involve Perceiving?Rami Ali - 2018 - Philosophical Studies 175 (3):601-627.
    A natural starting point for theories of perceptual states is ordinary perception, in which a subject is successfully related to her mind-independent surroundings. Correspondingly, the simplest theory of perceptual states models all such states on perception. Typically, this simple, common-factor relational view of perceptual states has received a perfunctory dismissal on the grounds that hallucinations are nonperceptual. But I argue that the nonperceptual view of hallucinations has been accepted too quickly. I consider three observations thought to support the (...)
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  6. Vehicle-representationalism and hallucination.Roberto de sá Pereira - 2020 - Philosophical Studies 177:1727–1749.
    This paper is a new defense of the view that visual hallucinations lack content. The claim is that visual hallucinations are illusory not because their content is nonveridical, but rather because they seem to represent when they fail to represent anything in the first place. What accounts for the phenomenal character of visual experiences is not the content itself (content-representationalism), but rather the vehicle of content (vehicle-representationalism), that is, not the properties represented by visual experience, but rather the (...)
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  7. “Hallucination, Mental Representation, and the Presentational Character”.Costas Pagondiotis - 2013 - In Fiona Macpherson & Dimitris Platchias (eds.), Hallucination: Philosophy and Psychology. Cambridge, MA: MIT Press. pp. 361.
    In this paper, I argue that the indirect realists’ recourse to mental representations does not allow them to account for the possibility of hallucination, nor for the presentational character of visual experience. To account for the presentational character, I suggest a kind of intentionalism that is based on the interdependency between the perceived object and the embodied perceiver. This approach provides a positive account to the effect that genuine perception and hallucination are different kinds of states. Finally, I offer a (...)
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  8. Synesthesia, Hallucination, and Autism.Rocco J. Gennaro - 2021 - Frontiers in Bioscience 26:797-809.
    Synesthesia literally means a “union of the senses” whereby two or more of the five senses that are normally experienced separately are involuntarily and automatically joined together in experience. For example, some synesthetes experience a color when they hear a sound, although many instances of synesthesia also occur entirely within the visual sense. In this paper, I first mainly engage critically with Sollberger’s view that there is reason to think that at least some synesthetic experiences can be viewed as truly (...)
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  9. The obscure content of hallucination.Marco Aurélio Sousa Alves - 2019 - Sofia 8 (1):30-53.
    Michael Tye proposed a way of understanding the content of hallucinatory experiences. Somewhat independently, Mark Johnston provided us with elements to think about the content of hallucination. In this paper, their views are compared and evaluated. Both their theories present intricate combinations of conjunctivist and disjunctivist strategies to account for perceptual content. An alternative view, which develops a radically disjunctivist account, is considered and rejected. Finally, the paper raises some metaphysical difficulties that seem to threaten any conjunctivist theory and to (...)
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  10. Interdisciplinary approaches to the phenomenology of auditory verbal hallucinations.Angela Woods, Nev Jones, Marco Bernini, Felicity Callard, Ben Alderson-Day, Johanna Badcock, Vaughn Bell, Chris Cook, Thomas Csordas, Clara Humpston, Joel Krueger, Frank Laroi, Simon McCarthy-Jones, Peter Moseley, Hilary Powell & Andrea Raballo - 2014 - Schizophrenia Bulletin 40:S246-S254.
    Despite the recent proliferation of scientific, clinical, and narrative accounts of auditory verbal hallucinations, the phenomenology of voice hearing remains opaque and undertheorized. In this article, we outline an interdisciplinary approach to understanding hallucinatory experiences which seeks to demonstrate the value of the humanities and social sciences to advancing knowledge in clinical research and practice. We argue that an interdisciplinary approach to the phenomenology of AVH utilizes rigorous and context-appropriate methodologies to analyze a wider range of first-person accounts of (...)
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  11. Colour hallucination: In defence of externalist representationalism.Elisabeth Lucia Waczek & Wolfgang Barz - 2022 - Analysis 82 (1):3-7.
    In a recent paper, Gow raised a new and interesting problem for externalist representationalism, the conclusion of which is that its proponents are unable to provide an acceptable account of the phenomenal character of colour hallucination. In contrast to Gow, we do not believe that the problem is particularly severe – indeed, that there is any problem at all. Thus our aim is to defend externalist representationalism against the problem raised by Gow. To this end, we will first reconstruct her (...)
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  12. Hallucination as Perceptual Synecdoche.Jonathon VandenHombergh - forthcoming - Australasian Journal of Philosophy.
    Relationalism is the view that perception is partly constituted by external objects (McDowell 1994; Campbell 2002; Martin 2004). Faced with the hallucination argument, and unsatisfied with the standard disjunctivist reply, some ‘new wave’ relationalists explain away the possibility of hallucinations as mere illusions (Alston 1999; Watzl 2010; Ali 2018; Masrour 2020). In this paper, I argue that some of these illusions (as in Chalmers 2005; Ali 2018) are perceptions of internal objects which appear as external ones. Then, in response (...)
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  13. Naïve Realism, Hallucination, and Causation: A New Response to the Screening Off Problem.Alex Moran - 2019 - Australasian Journal of Philosophy 97 (2):368-382.
    This paper sets out a novel response to the ‘screening off problem’ for naïve realism. The aim is to resist the claim (which many naïve realists accept) that the kind of experience involved in hallucinating also occurs during perception, by arguing that there are causal constraints that must be met if an hallucinatory experience is to occur that are never met in perceptual cases. Notably, given this response, it turns out that, contra current orthodoxy, naïve realists need not adopt any (...)
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  14. Explaining Schizophrenia: Auditory Verbal Hallucination and Self‐Monitoring.Wayne Wu - 2012 - Mind and Language 27 (1):86-107.
    Do self‐monitoring accounts, a dominant account of the positive symptoms of schizophrenia, explain auditory verbal hallucination? In this essay, I argue that the account fails to answer crucial questions any explanation of auditory verbal hallucination must address. Where the account provides a plausible answer, I make the case for an alternative explanation: auditory verbal hallucination is not the result of a failed control mechanism, namely failed self‐monitoring, but, rather, of the persistent automaticity of auditory experience of a voice. My argument (...)
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  15. What Can the Naïve Realist Say about Total Hallucinations? Riding the New Relationalist Wave.Heather Logue & Thomas Raleigh - forthcoming - In Ori Beck & Farid Masrour (eds.), The Relational View of Perception: New Essays. Routledge.
    In this chapter we will explore new avenues for developing and defending Naïve Realism (also known as Relationalism), understood as a thesis about the phenomenal character of experience. The core claim of Naive Realism is that ‘what it’s like’ for a subject who enjoys a normal, successful perceptual experience of her surroundings consists in her being directly consciously aware of mind-independent entities in her external environment. It is widely agreed that the strongest challenge to Naïve Realism comes from the alleged (...)
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  16. (1 other version)Husserl on Hallucination: A Conjunctive Reading.Matt E. Bower - 2020 - Journal of the History of Philosophy 58 (3):549-579.
    Several commentators have recently attributed conflicting accounts of the relation between veridical perceptual experience and hallucination to Husserl. Some say he is a proponent of the conjunctive view that the two kinds of experience are fundamentally the same. Others deny this and purport to find in Husserl distinct and non-overlapping accounts of their fundamental natures, thus committing him to a disjunctive view. My goal is to set the record straight. Having briefly laid out the problem under discussion and the terms (...)
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  17. The Unity of Hallucinations.Fabian Dorsch - 2010 - Phenomenology and the Cognitive Sciences 9 (2):171-191.
    My primary aim in this article is to provide a philosophical account of the unity of hallucinations, which can capture both perceptual hallucinations (which are subjectively indistinguishable from perceptions) and non-perceptual hallucinations (all others). Besides, I also mean to clarify further the division of labour and the nature of the collaboration between philosophy and the cognitive sciences. Assuming that the epistemic conception of hallucinations put forward by M. G. F. Martin and others is largely on the (...)
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  18. On the Possibility of Hallucinations.Farid Masrour - 2020 - Mind 129 (515):737-768.
    Many take the possibility of hallucinations to imply that a relationalist account, according to which perceptual experiences are constituted by direct relations to ordinary mind-independent objects, is false. The common reaction among relationalists is to adopt a disjunctivist view that denies that hallucinations have the same nature as perceptual experiences. This paper proposes a non-disjunctivist response to the argument from hallucination by arguing that the alleged empirical and a priori evidence in support of the possibility of hallucinations (...)
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  19. Chinese Chat Room: AI hallucinations, epistemology and cognition.Kristina Šekrst - forthcoming - Studies in Logic, Grammar and Rhetoric.
    The purpose of this paper is to show that understanding AI hallucination requires an interdisciplinary approach that combines insights from epistemology and cognitive science to address the nature of AI-generated knowledge, with a terminological worry that concepts we often use might carry unnecessary presuppositions. Along with terminological issues, it is demonstrated that AI systems, comparable to human cognition, are susceptible to errors in judgement and reasoning, and proposes that epistemological frameworks, such as reliabilism, can be similarly applied to enhance the (...)
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  20. Hallucinating ChatGPT and the innocent lawyer.Kaito Shimoura & Tam-Tri Le - 2023 - Sm3D Science Portal.
    Schwartz and his team believed ChatGPT’s answers without putting in their effort to manually check. As a result, Schwartz not only had to face a court hearing and put his career on the line but also became the target of ridicule all over the Internet.
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  21. A New Approach to 'Perfect' Hallucinations.Thomas Raleigh - 2014 - Journal of Consciousness Studies 21 (11-12):81-110.
    I consider a new, non-disjunctive strategy for ‘relational’ or ‘naïve realist’ theories to respond to arguments from ‘perfect’ (causally matching) hallucinations. The strategy, in a nutshell, is to treat such hypothetical cases as instances of perception rather than hallucination. After clarifying the form and dialectic of such arguments, I consider three objections to the strategy. I provide answers to the first two objections but concede that the third — based on the possibility of ‘chaotic’ (uncaused) perfect hallucinations (...)
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  22. Perception as Controlled Hallucination.Justin Tiehen - 2023 - Analytic Philosophy 64 (4):355-372.
    “Perception is controlled hallucination,” according to proponents of predictive processing accounts of vision. I say they are right that something like this is a consequence of their view but wrong in how they have pursued the idea. The focus of my counterproposal is the causal theory of perception, which I develop in terms of a productive concept of causation. Cases of what otherwise seem like successful perception are instead mere veridical hallucination if predictive processing accounts are correct, I argue, because (...)
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  23. Kant on the Object-Dependence of Intuition and Hallucination.Andrew Stephenson - 2015 - Philosophical Quarterly 65 (260):486-508.
    Against a view currently popular in the literature, it is argued that Kant was not a niıve realist about perceptual experience. Naive realism entails that perceptual experience is object-dependent in a very strong sense. In the first half of the paper, I explain what this claim amounts to and I undermine the evidence that has been marshalled in support of attributing it to Kant. In the second half of the paper, I explore in some detail Kant’s account of hallucination and (...)
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  24. Unjustified untrue "beliefs": AI hallucinations and justification logics.Kristina Šekrst - forthcoming - In Kordula Świętorzecka, Filip Grgić & Anna Brozek (eds.), Logic, Knowledge, and Tradition. Essays in Honor of Srecko Kovac.
    In artificial intelligence (AI), responses generated by machine-learning models (most often large language models) may be unfactual information presented as a fact. For example, a chatbot might state that the Mona Lisa was painted in 1815. Such phenomenon is called AI hallucinations, seeking inspiration from human psychology, with a great difference of AI ones being connected to unjustified beliefs (that is, AI “beliefs”) rather than perceptual failures). -/- AI hallucinations may have their source in the data itself, that (...)
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  25. Beyond differences between the body schema and the body image: insights from body hallucinations.Victor Pitron & Frédérique de Vignemont - 2017 - Consciousness and Cognition 53:115-121.
    The distinction between the body schema and the body image has become the stock in trade of much recent work in cognitive neuroscience and philosophy. Yet little is known about the interactions between these two types of body representations. We need to account not only for their dissociations in rare cases, but also for their convergence most of the time. Indeed in our everyday life the body we perceive does not conflict with the body we act with. Are the body (...)
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  26. What in the world are hallucinations?Rami Ali - forthcoming - In Ori Beck & Farid Masrour (eds.), The Relational View of Perception: New Essays. Routledge.
    A widely held assumption is that hallucinations are not a type of perception. Coupled with the idea that hallucinations possess phenomenal character, this assumption raises a problem for naive realism, which maintains that phenomenal character is at least partly constituted by perceived worldly objects. Naive realists have typically responded by adopting a disjunctive view of phenomenal character. But in what follows, I argue that to resolve the conflict we should instead reject the idea that hallucinations are not (...)
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  27. Stop, look, listen: The need for philosophical phenomenological perspectives on auditory verbal hallucinations.Simon McCarthy-Jones, Joel Krueger, Matthew Broome & Charles Fernyhough - 2013 - Frontiers in Human Neuroscience 7:1-9.
    One of the leading cognitive models of auditory verbal hallucinations (AVHs) proposes such experiences result from a disturbance in the process by which inner speech is attributed to the self. Research in this area has, however, proceeded in the absence of thorough cognitive and phenomenological investigations of the nature of inner speech, against which AVHs are implicitly or explicitly defined. In this paper we begin by introducing philosophical phenomenology and highlighting its relevance to AVHs, before briefly examining the evolving (...)
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  28. On the explanatory power of hallucination.Dominic Alford-Duguid & Michael Arsenault - 2017 - Synthese 194 (5).
    Pautz has argued that the most prominent naive realist account of hallucination—negative epistemic disjunctivism—cannot explain how hallucinations enable us to form beliefs about perceptually presented properties. He takes this as grounds to reject both negative epistemic disjunctivism and naive realism. Our aims are two: First, to show that this objection is dialectically ineffective against naive realism, and second, to draw morals from the failure of this objection for the dispute over the nature of perceptual experience at large.
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  29. The Role of Inner Speech in Executive Functioning Tasks: Schizophrenia With Auditory Verbal Hallucinations and Autistic Spectrum Conditions as Case Studies.Valentina Petrolini, Marta Jorba & Agustín Vicente - 2020 - Frontiers in Psychology 11.
    Several theories propose that one of the core functions of inner speech (IS) is to support subjects in the completion of cognitively effortful tasks, especially those involving executive functions (EF). In this paper we focus on two populations who notoriously encounter difficulties in performing EF tasks, namely, people diagnosed with schizophrenia who experience auditory verbal hallucinations (Sz-AVH) and people within the Autism Spectrum Conditions (ASC). We focus on these two populations because they represent two different ways in which IS (...)
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  30. The multidimensional spectrum of imagination: Images, Dreams, Hallucinations, and Active, Imaginative Perception.Nigel J. T. Thomas - 2014 - Humanities 3 (2):132-184.
    A theory of the structure and cognitive function of the human imagination that attempts to do justice to traditional intuitions about its psychological centrality is developed, largely through a detailed critique of the theory propounded by Colin McGinn. Like McGinn, I eschew the highly deflationary views of imagination, common amongst analytical philosophers, that treat it either as a conceptually incoherent notion, or as psychologically trivial. However, McGinn fails to develop his alternative account satisfactorily because (following Reid, Wittgenstein and Sartre) he (...)
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  31. The structured uses of concepts as tools: Comparing fMRI experiments that investigate either mental imagery or hallucinations.Eden T. Smith - 2018 - Dissertation, University of Melbourne
    Sensations can occur in the absence of perception and yet be experienced ‘as if’ seen, heard, tasted, or otherwise perceived. Two concepts used to investigate types of these sensory-like mental phenomena (SLMP) are mental imagery and hallucinations. Mental imagery is used as a concept for investigating those SLMP that merely resemble perception in some way. Meanwhile, the concept of hallucinations is used to investigate those SLMP that are, in some sense, compellingly like perception. This may be a difference (...)
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  32. Perceptual Acquaintance and the Seeming Relationality of Hallucinations.Fabian Dorsch - 2016 - Journal of Consciousness Studies 23 (7-8):23-64.
    Relationalism about perception minimally claims that instances of perception -- in contrast to instances of hallucination -- are constituted by the external objects perceived. Most variants of relationalism furthermore maintain that this difference in constitution is due to a difference in mental kind. One prominent example is acquaintance relationalism, which argues that perceptions are relational in virtue of acquainting us with external objects. I distinguish three variants of acquaintance relationalism -- which differ in their answers to the question of which (...)
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  33. Interdependent Concepts and their Independent Uses: Mental Imagery and Hallucinations.Eden T. Smith - 2018 - Perspectives on Science 26 (3):360-399.
    The scientific concepts of mental imagery and hallucinations are each used independently of the other in experiments; uses that simultaneously evoke and obscure their historical connections. To highlight one of these connections, I will begin by sketching episodes from the largely separate developmental trajectories of each concept. Considering these historical sketches side-by-side, I will argue that the independent uses of these concepts each inherited a shared set of interdependent associations. In doing so, I seek to illustrate the value of (...)
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  34. Of the perfect and the ordinary: Indistinguishability and hallucination.Shivam Patel - forthcoming - Philosophical Quarterly.
    The claim that perfect hallucination is introspectively indistinguishable from perception has been a centrepiece of philosophical theorizing about sense experience. The most common interpretation of the indistinguishability claim is modal: that it is impossible to distinguish perfect hallucination from perception through introspection alone. I run through various models of introspection and show that none of them can accommodate the modal interpretation. Rejecting the modal interpretation opens up two alternative interpretations of the indistinguishability claim. According to the generic interpretation, hallucination is (...)
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  35. Modelling Empty Representations: The Case of Computational Models of Hallucination.Marcin Miłkowski - 2017 - In Gordana Dodig-Crnkovic & Raffaela Giovagnoli (eds.), Representation of Reality: Humans, Other Living Organism and Intelligent Machines. Heidelberg: Springer. pp. 17--32.
    I argue that there are no plausible non-representational explanations of episodes of hallucination. To make the discussion more specific, I focus on visual hallucinations in Charles Bonnet syndrome. I claim that the character of such hallucinatory experiences cannot be explained away non-representationally, for they cannot be taken as simple failures of cognizing or as failures of contact with external reality—such failures being the only genuinely non-representational explanations of hallucinations and cognitive errors in general. I briefly introduce a recent (...)
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  36. Fiona Macpherson and Dimitris Platchias , Hallucination: Philosophy and Psychology: MIT Press, 2013, 432 pages, ISBN 0262019205, $40.22. [REVIEW]Rami Ali - 2016 - Phenomenology and the Cognitive Sciences 15 (3):455-460.
    Hallucination: Philosophy and Psychology is an edited MIT press collection that contributes to the philosophy of perception. This collection is a significant addition to the literature both for its excellent choice of texts, and its emphasis on the case of hallucinations. Dedicating a volume to hallucinatory phenomena may seem somewhat peculiar for those not entrenched in the analytic philosophy of perception, but it is easy enough to grasp their significance. Theories of perception aim to give a fundamental characterization of (...)
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  37. Between scientific and empathetic understanding: The case of auditory verbal hallucination.Shivam Patel - forthcoming - British Journal for the Philosophy of Science.
    A common but overlooked form of explanation in psychiatry is what I label ‘empathetic explanation’. Empathetic explanations invoke empathetic variables, which, in addition to providing an explanation of the target phenomenon, also afford an empathetic understanding of it. Focusing on the case of auditory verbal hallucination (AVH), I argue that empathetic explanation fails to provide an adequate account of the phenomenon, perniciously shapes empirical research, and confuses empathetic understanding with scientific understanding. I close by providing a general condition on the (...)
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  38. Externalism and the Gappy Content of Hallucination.Susanna Schellenberg - 2013 - In Fiona Macpherson & Dimitris Platchias (eds.), Hallucination: Philosophy and Psychology. Cambridge, MA: MIT Press. pp. 291.
    There are powerful reasons to think of perceptual content as determined at least in part by the environment of the perceiving subject. Externalist views such as this are often rejected on grounds that they do not give a good account of hallucinations. The chapter shows that this reason for rejecting content externalism is not well founded if we embrace a moderate externalism about content, that is, an externalist view on which content is only in part dependent on the experiencing (...)
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  39. Does Hallie See a White Cup on a Desk? A Phenomenological Account of Hallucination Indiscriminability.Hicham Jakha - 2023 - Roczniki Filozoficzne 71 (3):183-203.
    In this paper, I argue for phenomenology, Husserlian phenomenology to be precise, as providing a solid paradigm on how to determine and assess hallucination. To be more explicit, in the context of my deliberations, I analyze Susanna Schellenberg’s arguments for “phenomenal” evidence and “factive” evidence, as regards her evidential theory of perception. To pinpoint the inadequacies raised in her account of (the hallucinating) Hallie and (the veridically perceiving) Percy sharing any kind of evidence, I propose Edmund Husserl’s epistemic fulfillment as (...)
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  40. Is inner speech the basis of auditory verbal hallucination in schizophrenia?Wayne Wu & Raymond Cho - 2014 - Frontiers in Psychiatry 14:1-3.
    We respond to Moseley and Wilkinson's defense of inner speech models of AVH.
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  41. Hallucination: Philosophy and Psychology By Fiona Macpherson and Dimitris Platchias. [REVIEW]Craig French - 2015 - Analysis 75 (3):528-530.
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  42. The Psychotic Transition: Some Remarks on the Nature of Hallucination-Inducing Imaginative Experiences.Peyman Pourghannad - manuscript
    There are numerous studies suggesting a substantial link between psychotic hallucinatory states and some forms of disordered imaginings. We have to figure out (1) what characteristic makes imagining, not other mental states, prone to induce hallucination, and (2) what underlies the (phenomenological/conceptual) transition from imagining X to the hallucinatory experience of X? In this paper, I will try to provide answers to these questions, in order to shed light on the nature of the so-called “misidentified” or “disordered” imaginative experience. To (...)
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  43. Illusionism: Making the Problem of Hallucinations Disappear.Rami El Ali - 2014 - Dissertation, University of Miami
    My dissertation contributes to a central and ongoing debate in the philosophy of perception about the fundamental nature of perceptual states. Such states include cases like seeing, hearing, or tasting as well as cases of merely seeming to see, hear, or taste. A central question about perceptual states arises in light of misperceptual phenomena. A commonsensical view of perceptual states construes them as simply relating us to the external and mind independent objects. But some misperceptual cases suggest that these states (...)
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  44. What should the naïve realist say about total hallucinations?Heather Logue - 2012 - Philosophical Perspectives 26 (1):173-199.
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  45. Getting acquainted with naïve realism: Critical notice of perception, hallucination, and illusion.Heather Logue - 2010 - Philosophical Books 51 (1):22-38.
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  46. (2 other versions)A sense of reality.Katalin Farkas - 2013 - In Fiona Macpherson & Dimitris Platchias (eds.), Hallucination: Philosophy and Psychology. Cambridge, MA: MIT Press. pp. 399-417.
    Hallucinations occur in a wide range of organic and psychological disorders, as well as in a small percentage of the normal population According to usual definitions in psychology and psychiatry, hallucinations are sensory experiences which present things that are not there, but are nonetheless accompanied by a powerful sense of reality. As Richard Bentall puts it, “the illusion of reality ... is the sine qua non of all hallucinatory experiences” (Bentall 1990: 82). The aim of this paper is (...)
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  47. Experience and Introspection.Fabian Dorsch - 2013 - In Fiona Macpherson & Dimitris Platchias (eds.), Hallucination: Philosophy and Psychology. Cambridge, MA: MIT Press. pp. 175-220.
    One central fact about hallucinations is that they may be subjectively indistinguishable from perceptions. Indeed, it has been argued that the hallucinatory experiences concerned cannot— and need not—be characterized in any more positive general terms. This epistemic conception of hallucinations has been advocated as the best choice for proponents of experiential (or “naive realist”) disjunctivism—the view that perceptions and hallucinations differ essentially in their introspectible subjective characters. In this chapter, I aim to formulate and defend an intentional (...)
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  48. Intuition and Presence.Colin McLear - 2017 - In Andrew Stephenson & Anil Gomes (eds.), Kant and the Philosophy of Mind: Perception, Reason, and the Self. Oxford, United Kingdom: Oxford University Press. pp. 86-103.
    In this paper I explicate the notion of “presence” [Gegenwart] as it pertains to intuition. Specifically, I examine two central problems for the position that an empirical intuition is an immediate relation to an existing particular in one’s environment. The first stems from Kant’s description of the faculty of imagination, while the second stems from Kant’s discussion of hallucination. I shall suggest that Kant’s writings indicate at least one possible means of reconciling our two problems with a conception of “presence” (...)
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  49. A Theory of Sense-Data.Andrew Y. Lee - manuscript
    I develop and defend a sense-datum theory of perception. My theory follows the spirit of classic sense-datum theories: I argue that what it is to have a perceptual experience is to be acquainted with some sense-data, where sense-data are private particulars that have all the properties they appear to have, that are common to both perception and hallucination, that constitute the phenomenal characters of perceptual experiences, and that may be aptly described as pictures in-side one’s head. But my theory also (...)
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  50. Perception and evidence.Alex Byrne - 2014 - Philosophical Studies 170:101-113.
    Critical discussion of Susanna Schellenberg's account of hallucination and perceptual evidence.
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