This article is about the philosophical concept. For other uses, see Qualia (disambiguation).
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In philosophy of mind, qualia (/ˈkwɑːliə,ˈkweɪ-/; sg.: quale/-li/) are defined as instances of subjective, conscious experience. The term qualia derives from the Latin neuter plural form (qualia) of the Latin adjective quālis (Latin pronunciation:[ˈkʷaːlɪs]) meaning "of what sort" or "of what kind" in relation to a specific instance, such as "what it is like to taste a specific apple — this particular apple now".
Examples of qualia include the perceived sensation of pain of a headache, the taste of wine, and the redness of an evening sky. As qualitative characteristics of sensation, qualia stand in contrast to propositional attitudes,[1] where the focus is on beliefs about experience rather than what it is directly like to be experiencing.
American philosopher Charles Sanders Peirce introduced the term quale in philosophy in 1866, and in 1929 C. I. Lewis was the first to use the term "qualia" in its generally agreed upon modern sense. Frank Jackson later defined qualia as "...certain features of the bodily sensations especially, but also of certain perceptual experiences, which no amount of purely physical information includes". Philosopher and cognitive scientist Daniel Dennett suggested that qualia was "an unfamiliar term for something that could not be more familiar to each of us: the ways things seem to us".
The nature and existence of qualia under various definitions remain controversial. Much of the debate over the importance of qualia hinges on the definition of the term, and various philosophers emphasize or deny the existence of certain features of qualia. Some philosophers of mind, like Daniel Dennett, argue that qualia do not exist. Other philosophers, as well as neuroscientists and neurologists, believe qualia exist and that the desire by some philosophers to disregard qualia is based on an erroneous interpretation of what constitutes science.[2]
^Kriegel, Uriah (2014). Kriegel, Uriah (ed.). Current controversies in philosophy of mind. New York, NY: Routledge. p. 201. ISBN 978-0-415-53086-6.
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Damasio, Antonio R. (2000). The feeling of what happens: body and emotion in the making of consciousness. A Harvest book. San Diego, CA: Harcourt. ISBN 978-0-15-601075-7.
Edelman, Gerald M.; Gally, Joseph A.; Baars, Bernard J. (2011). "Biology of Consciousness". Frontiers in Psychology. 2 (4): 4. doi:10.3389/fpsyg.2011.00004. ISSN 1664-1078. PMC 3111444. PMID 21713129.
Edelman, Gerald Maurice (1992). Bright air, brilliant fire: on the matter of the mind. New York: BasicBooks. ISBN 978-0-465-00764-6.
Edelman, Gerald M. (2003). "Naturalizing Consciousness: A Theoretical Framework". Proceedings of the National Academy of Sciences of the United States of America. 100 (9): 5520–5524. doi:10.1111/j.1600-0536.1978.tb04573.x. ISSN 0027-8424. JSTOR 3139744. PMID 154377. S2CID 10086119. Archived from the original on 2023-07-19. Retrieved 2023-07-19.
Koch, Christof (2020). The feeling of life itself: why consciousness is widespread but can't be computed (First MIT Press paperback edition 2020 ed.). Cambridge, MA London: The MIT Press. ISBN 978-0-262-53955-5.
Llinás, Rodolfo Riascos; Llinás, Rodolfo R. (2002). I of the vortex: from neurons to self. A Bradford book (1 ed.). Cambridge, Mass. London: MIT Press. pp. 202–207. ISBN 978-0-262-62163-2.
Oizumi, Masafumi; Albantakis, Larissa; Tononi, Giulio (2014-05-08). Sporns, Olaf (ed.). "From the Phenomenology to the Mechanisms of Consciousness: Integrated Information Theory 3.0". PLOS Computational Biology. 10 (5): e1003588. Bibcode:2014PLSCB..10E3588O. doi:10.1371/journal.pcbi.1003588. ISSN 1553-7358. PMC 4014402. PMID 24811198.
Overgaard, M.; Mogensen, J.; Kirkeby-Hinrup, A., eds. (2021). Beyond neural correlates of consciousness. Routledge Taylor & Francis.
Ramachandran, V.; Hirstein, W. (March 1997). "What Does Implicit Cognition Tell Us About Consciousness?". Consciousness and Cognition. 6 (1): 148. doi:10.1006/ccog.1997.0296. ISSN 1053-8100. S2CID 54335111.
Tononi, Giulio; Boly, Melanie; Massimini, Marcello; Koch, Christof (July 2016). "Integrated information theory: from consciousness to its physical substrate". Nature Reviews. Neuroscience. 17 (7): 450–461. doi:10.1038/nrn.2016.44. ISSN 1471-0048. PMID 27225071. S2CID 21347087. Archived from the original on 2023-04-01. Retrieved 2023-07-19.
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