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"Philosophers often use the term ‘qualia’ (singular ‘quale’) to refer to the introspectively accessible, phenomenal aspects of our mental lives. In this standard, broad sense of the term, it is difficult to deny that there are qualia. Disagreement typically centers on which mental states have qualia, whether qualia are intrinsic qualities of their bearers, and how qualia relate to the physical world both inside and outside the head. The status of qualia is hotly debated in philosophy largely because it is central to a proper understanding of the nature of consciousness. Qualia are at the very heart of the mind-body problem."
in list: Androids, Zombies and Brains
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I am the subject of a mental state with a very distinctive subjective character.
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something it is like
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There is a lot of interesting stuff over at the The Third Annual Online Consciousness Conference; I particularly enjoyed Paul Churchland’s paper Consciousness and the Introspection of Apparent Qualitative Simples (pdf), which is actually a fairly general attack on the proponents of qualia, the irreducibly subjective bits of experience.
...David Chalmers defends what he calls a principle of organizational invariance according to which if a system has conscious experiences then any other system with the same fine-grained functional organization will have qualitatively identical experiences. His main arguments for this principle are his "Fading Qualia" and "Dancing Qualia" arguments. The Splintered Mind
The problem of inverted qualia goes back to John Locke, who asked us to imagine a situation in which we wake up one day and — without any physical change having occurred in the world or in our brain — we suddenly perceive colors in a different way: what used to be red now gives the sensation formerly known as green (and vice versa). Ok, one might say, cute little thought experiment, but who cares? We are supposed to care because the inverted qualia argument allegedly shows that secondary qualities (like colors), and particularly first person “phenomenological” experiences of said qualities, do not depend on a particular physical substrate in the brain, i.e. they have no physical basis.
Lycan. Abstracted from 'Qualitative experience in machines,' The Digital Phoenix: How computers are changing philosophy.
Dr. Richard Cytowic is one of the leading researchers of synesthesia, a condition in which two normally separated sensations - such as sight and sound, or touch and taste - occur at the same time. As a result, a synesthetic person might experience the taste of a dish on her fingertips, or be convinced that the letter X is a vibrant turquoise. (Scientific American)
Powerpoint with audio lecture
"A new study published online in Brain searched for letter-colour synaesthetes in 6-8 year old children and found not only are they relatively common, but that the condition changes as the children grow." (Mind Hacks)
"Not many people think about what it's like to be a bat, but for those who do, it's enlightening and potentially groundbreaking for understanding aspects of the human brain and nervous system. Cynthia Moss, a member of the Neuroscience and Cognitive Science program at the University of Maryland, College Park, Md., is one of few researchers who spend time trying to get into the heads of bats."
in list: Androids, Zombies and Brains
"The problem of `conscious inessentialism' is examined in the literature, and an argument is presented that the presence of consciousness is indeed marked by a behavioural difference, but that this should be looked for at the _cultural_ level of speech communities." Published in Journal of Consciousness Studies, 1 (2), 1994, pp. 196-200.
in list: Androids, Zombies and Brains
"Must we talk about zombies? Apparently we must. There is a powerful and ubiquitous intuition that computational, mechanistic models of consciousness, of the sort we naturalists favor, must leave something out–something important. Just what must they leave out? The critics have found that it’s hard to say, exactly: qualia, feelings, emotions, the what-it’s-likeness (Nagel) or the ontological subjectivity (Searle) of consciousness."
in list: Androids, Zombies and Brains
"Epiphenomenalism is the view that mental events are caused by physical events in the brain, but have no effects upon any physical events. Behavior is caused by muscles that contract upon receiving neural impulses, and neural impulses are generated by input from other neurons or from sense organs. On the epiphenomenalist view, mental events play no causal role in this process. "
in list: Androids, Zombies and Brains
"My goal is subversive. I am out to overthrow an idea that, in one form or another, is "obvious" to most people--to scientists, philosophers, lay people. My quarry is frustratingly elusive; no sooner does it retreat in the face of one argument than "it" reappears, apparently innocent of all charges, in a new guise." Found in in A. Marcel and E. Bisiach, eds, Consciousness in Modern Science, Oxford University Press 1988. Reprinted in W. Lycan, ed., Mind and Cognition: A Reader, MIT Press, 1990, A. Goldman, ed. Readings in Philosophy and Cognitive Science, MIT Press, 1993.
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"... it seems unlikely that any physical theory of mind can be contemplated until more thought has been given to the general problem of subjective and objective. Otherwise we cannot even pose the mind-body problem without sidestepping it." Published in The Philosophical Review LXXXIII, 4 (October 1974): 435-50.
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"In this paper, I first isolate the truly hard part of the problem, separating it from more tractable parts and giving an account of why it is so difficult to explain. I critique some recent work that uses reductive methods to address consciousness, and argue that such methods inevitably fail to come to grips with the hardest part of the problem. Once this failure is recognized, the door to further progress is opened. In the second half of the paper, I argue that if we move to a new kind of nonreductive explanation, a naturalistic account of consciousness can be given. I put forward my own candidate for such an account: a nonreductive theory based on principles of structural coherence and organizational invariance and a double-aspect view of information." [DJC: This appeared in the Journal of Consciousness Studies in 1995. Also online is my response, "Moving Forward on the Problem of Consciousness," to 26 articles commenting on this paper. That paper elaborates and extends many of the ideas in this one.]
in list: Androids, Zombies and Brains
"It is widely accepted that conscious experience has a physical basis. That is, the properties of experience (phenomenal properties, or qualia) systematically depend on physical properties according to some lawful relation. There are two key questions about this relation. The first concerns the strength of the laws: are they logically or metaphysically necessary, so that consciousness is nothing 'over and above' the underlying physical process, or are they merely contingent laws like the law of gravity? This question about the strength of the psychophysical link is the basis for debates over physicalism and property dualism. The second question concerns the shape of the laws: precisely how do phenomenal properties depend on physical properties? What sort of physical properties enter into the laws' antecedents, for instance; consequently, what sort of physical systems can give rise to conscious experience? It is this second question that I address in this paper." Published in Conscious Experience, edited by Thomas Metzinger. Imprint Academic, 1995.
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"Conscious experience is at once the most familiar thing in the world and the most mysterious. There is nothing we know about more directly than consciousness, but it is extraordinarily hard to reconcile it with everything else we know. Why does it exist? What does it do? How could it possibly arise from neural processes in the brain? These questions are among the most intriguing in all of science." From Scientific American, December 1995, pp. 62-68.
in list: Androids, Zombies and Brains
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