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8Mesenchymal stem cells are capable of regenerative and immunomodulatory functions in cell-based therapies in a variety of human diseases and injuries; however, their therapeutic efficacy and potential side effects remain major obstacles in clinical applications. We report here a 3D spheroid culture approach to optimize stem cell properties and therapeutic effects of human gingiva-derived mesenchymal stem cells in mitigation of experimental oral mucositis. Under growth condition of ultra-low atta…Read more
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1Ow! The paradox of painIn Murat Aydede (ed.), Pain: New Essays on its Nature and the Methodology of its Study, Mit Press. 2005.
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78The identity theoryIn Patrick Wilken, Timothy J. Bayne & Axel Cleeremans (eds.), The Oxford Companion to Consciousness, Oxford University Press. pp. 359--363. 2009.Identity theory The doctrine that mental states are identical with physical states was defended in antiquity by Lucretius and in the early modern era by Hobbes. It achieved considerable prominence in the 1950s as a result of the writings of Herbert Feigl, U. T. Place, and J. J. C. Smart. (See, e.g., Smart (1959). These authors developed reasonably precise formulations of the doctrine, clarified the grounds for embracing it, and responded persuasively to a range of objections. More recently it ha…Read more
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Concepts, teleology, and rational revisionIn Albert Casullo & Joshua C. Thurow (eds.), The a Priori in Philosophy, Oxford University Press Uk. 2013.
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16Locating qualia: do they reside in the brain or in the body and the world?In Simone Gozzano & Christopher S. Hill (eds.), New Perspectives on Type Identity: The Mental and the Physical, Cambridge University Press. pp. 127. 2012.
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34Ow! The Paradox of PainIn Pain: New Essays on its Nature and the Methodology of its Study, Bradford Book/mit Press. 2005.
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21RevisionIn Albert Casullo & Joshua C. Thurow (eds.), The a Priori in Philosophy, Oxford University Press Uk. pp. 134. 2013.
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56How to study introspectionJournal of Consciousness Studies 18 (1): 21-43. 2011.In this paper I celebrate the virtues of Hurlburt and Schwitzgebel's path-breaking book on introspection, but I also exp-ress dissatisfaction with a few of its recurring themes. The main body of the paper consists of seven theses about the way in which the study of introspection should be conducted. Thus, to a large extent, the paper is a methodological proposal, though it also makes a number of concrete claims about the nature of introspection, and about the epistemological status of its delive…Read more
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49Review of Zenon W. Pylyshyn, Things and Places: How the Mind Connects with the World (review)Notre Dame Philosophical Reviews 2008 (7). 2008.
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50Department of Philosophy Brown University Providence, RI 02915.
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10Department of Philosophy Brown University Providence, RI 02912
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Perceptual consciousness: How it opens directly onto the world, preferring the world to itselfIn Uriah Kriegel & Kenneth Williford (eds.), Self-Representational Approaches to Consciousness, Mit Press. 2006.
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1Ouch! An essay on painIn Rocco J. Gennaro (ed.), Higher-Order Theories of Consciousness: An Anthology, John Benjamins. 2004.
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Perceptual consciousness: How it opens directly onto the world, preferring the world to itselfIn Uriah Kriegel & Kenneth Williford (eds.), Self-Representational Approaches to Consciousness, Mit Press. pp. 249--272. 2006.
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21On Block's delineation of the border between seeing and thinkingPhilosophical Quarterly. forthcoming.This note is concerned with Ned Block's claim that cognition differs from perception in being paradigmatically conceptual, propositional, and non-iconic. As against Block, it maintains that large stretches of cognition constitutively involve, or depend on, iconic representations.
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77John Heil, Appearance in Reality (review)Notre Dame Philosophical Reviews. 2023.John Heil’s new book ranges over many of the major topics in metaphysics, including substance, properties, causation, space, time, parts and wholes, modality, essence, agency, and consciousness. It has interesting things to say about all of the issues it discusses, but there are three topics that are especially prominent in the book, and which help to organize the discussion. These all flow from the differences between our everyday, commonsense understanding of reality and the representations th…Read more
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16Replies to E. J. Green, Zoe Jenkin, and Jack LyonsMind and Language 39 (1): 102-108. 2024.I argue for three claims. (1) The phenomenology of visual experience is exhausted by awareness of appearance properties (i.e., certain constantly changing characteristics of external objects that are relational and viewpoint‐dependent). (2) Cognition differs from perception in that it has a purely discursive or linguistic dimension, whereas perception is pervasively analog and iconic; but this does not determine a border between the two domains, for cognition also has a massive iconic dimension.…Read more
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71Meaning, Mind, and KnowledgeOxford University Press. 2014.This volume presents a selection of essays by the leading philosopher Christopher S. Hill. Together, they address central philosophical issues related to four key concerns: the nature of truth; the relation between experiences and brain states; the relation between experiences and representational states; and problems concerning knowledge
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82New Perspectives on Type Identity: The Mental and the Physical (edited book)Cambridge University Press. 2012.The type identity theory, according to which types of mental state are identical to types of physical state, fell out of favour for some years but is now being considered with renewed interest. Many philosophers are critically re-examining the arguments which were marshalled against it, finding in the type identity theory both resources to strengthen a comprehensive, physicalistic metaphysics and a useful tool in understanding the relationship between developments in psychology and new results i…Read more
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45ConsciousnessCambridge University Press. 2009.This book presents a comprehensive theory of consciousness. The initial chapter distinguishes six main forms of consciousness and sketches an account of each one. Later chapters focus on phenomenal consciousness, consciousness of, and introspective consciousness. In discussing phenomenal consciousness, Hill develops the representational theory of mind in new directions, arguing that all awareness involves representations, even awareness of qualitative states like pain. He then uses this view to …Read more
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38Perceptual experienceOxford University Press. 2022.This is an open access title available under the terms of a CC BY-NC-ND 4.0 International licence. It is free to read at Oxford Scholarship Online and offered as a free PDF download from OUP and selected open access locations. Christopher S. Hill argues that perceptual experience constitutively involves representations of worldly items, and that the relevant form of representation can be explained in broadly biological terms. He then maintains that the representational contents of perceptual exp…Read more
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27Consciousness and the Origins of Thought (review)Philosophy and Phenomenological Research 59 (1): 273-276. 1999.
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1Goldman on Knowledge of MindIn Hilary Kornblith & Brian McLaughlin (eds.), Goldman and his Critics, Blackwell. 2016.This chapter focuses on three parts of Goldman's work, beginning with his model of the processes that underlie ascriptions of mental states to others. It maintains that Goldman errs in ignoring the role that knowledge of testimony plays in those processes. The second topic will be the theory of introspection that Goldman developed in the early 1990s. The reader may be surprised to find that most of the author remarks are concerned with this topic, given that Goldman's views about introspection h…Read more
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7Remarks on David Papineau's Thinking about Consciousness1Philosophy and Phenomenological Research 71 (1): 147-147. 2007.
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119Reply to Alex Byrne and Fred Dretske (review)Philosophical Studies 161 (3): 503-511. 2012.Reply to Alex Byrne and Fred Dretske Content Type Journal Article Pages 1-9 DOI 10.1007/s11098-011-9814-2 Authors Christopher S. Hill, Department of Philosophy, Brown University, Providence, RI 02912, USA Journal Philosophical Studies Online ISSN 1573-0883 Print ISSN 0031-8116
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29Remarks on David Papineau’s Thinking About Consciousness (review)Philosophy and Phenomenological Research 71 (1). 2005.Thinking about Consciousness is a wonderfully clear and vigorous commen- tary on the nature of consciousness and its relationship to brain processes. It advances the contemporary discussion of a number of important issues, but it also introduces several quite valuable ideas that are independent of the con- temporary literature. Papineau has performed an important service by writing it.
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13Armchair Methods in Philosophy of MindProtoSociology 39 204-220. 2022.Jaegwon Kim relied principally on armchair methods in approaching problems in philosophy of mind. This paper is concerned with the nature of such methods and their prospects of success. Identifying the main armchair methods as introspection, modal reasoning involving conceivability tests, and conceptual analysis, the paper argues that insofar as the first two members of this trio aim to reveal the constitutive metaphysical natures of mental states, they are unable to reach their objective. In co…Read more
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51Appearance and realityPhilosophical Issues 30 (1): 175-191. 2020.Philosophical Issues, Volume 30, Issue 1, Page 175-191, October 2020.
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