David Chalmers
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David Chalmers

David John Chalmers (;[2] born 20 April 1966) is an Australian philosopher and cognitive scientist specializing in the areas of philosophy of mind and philosophy of language. He is Professor of Philosophy and Director of the Centre for Consciousness at the Australian National University. He is also a University Professor, Professor of Philosophy and Neural Science, and a Director of the Center for Mind, Brain and Consciousness (along with Ned Block) at New York University.[3][4] In 2013, he was elected a Fellow of the American Academy of Arts & Sciences.

Life

Since 2004, Chalmers has been Professor of Philosophy, Director of the Centre for Consciousness, and an ARC Federation Fellow at the Australian National University.

Chalmers received his undergraduate degree in pure mathematics from the University of Adelaide in Australia and continued his studies at the University of Oxford, where he was a Rhodes Scholar.[5] Chalmers received his PhD in philosophy and cognitive science from Indiana University Bloomington under Douglas Hofstadter. He was a postdoctoral fellow in the Philosophy-Neuroscience-Psychology program directed by Andy Clark at Washington University in St. Louis from 1993 to 1995, and his first professorship was at UC Santa Cruz, from August 1995 to December 1998. Chalmers was subsequently appointed Professor of Philosophy (1999-2004) and, later, Director of the Center for Consciousness Studies (2002-2004) at the University of Arizona, sponsor of the Toward a Science of Consciousness[6] conference. After appearing as a plenary speaker at the first meeting, Chalmers has subsequently taken the role of co-organizer, alongside Stuart Hameroff, of this conference.

Chalmers' 1996 book, The Conscious Mind, was described by The Sunday Times as "one of the best science books of the year".[7] In the book, Chalmers argues that all forms of physicalism (whether reductive or non-reductive) that have dominated modern philosophy and science fail to account for the existence (that is, presence in reality) of consciousness itself. He proposes an alternative dualistic view he calls naturalistic dualism (but which might also be characterized by more traditional formulations such as property dualism, neutral monism, or double-aspect theory).

He is the lead singer of the Zombie Blues band which performed at the Qualia Fest in 2012[8] in New York. Chalmers is an editor on topics in the philosophy of mind for the Stanford Encyclopedia of Philosophy.[9]

On 14 June 2016 David Chalmers visited Moscow to hold a lecture at Moscow State University focused on solving the Hard problem of consciousness.[10] He also gave an interview about it before holding a lecture at the Moscow State University.[11]

Thought

Philosophy of mind

Chalmers on stage for an Alan Turing Year event at De La Salle University, Manila, March 27, 2012

Chalmers is best known for his formulation of the notion of a hard problem of consciousness in both his 1996 book and in the 1995 paper "Facing Up to the Problem of Consciousness". He makes a distinction between "easy" problems of consciousness, such as explaining object discrimination or verbal reports, and the single hard problem, which could be stated "why does the feeling which accompanies awareness of sensory information exist at all?" The essential difference between the (cognitive) easy problems and the (phenomenal) hard problem is that the former are at least theoretically answerable via the standard strategy in philosophy of mind: functionalism. Chalmers argues for an "explanatory gap" from the objective to the subjective, and criticizes physical explanations of mental experience, making him a dualist. Chalmers characterizes his view as "naturalistic dualism": naturalistic because he believes mental states are caused by physical systems (such as brains); dualist because he believes mental states are ontologically distinct from and not reducible to physical systems.

In support of this, Chalmers is famous for his commitment to the logical (though, importantly, not natural) possibility of philosophical zombies.[12] These zombies, unlike the zombie of popular fiction, are complete physical duplicates of human beings, lacking only qualitative experience. Chalmers argues that since such zombies are conceivable to us, they must therefore be logically possible. Since they are logically possible, then qualia and sentience are not fully explained by physical properties alone. Instead, Chalmers argues that consciousness is a fundamental property ontologically autonomous of any known (or even possible) physical properties[], and that there may be lawlike rules which he terms "psychophysical laws" that determine which physical systems are associated with which types of qualia. He further speculates that all information-bearing systems may be conscious, leading him to entertain the possibility of conscious thermostats and a qualified panpsychism he calls panprotopsychism. Chalmers maintains a formal agnosticism on the issue, even conceding that the viability of panpsychism places him at odds with the majority of his contemporaries. According to Chalmers, his arguments are similar to a line of thought that goes back to Leibniz's 1714 "mill" argument; the first substantial use of philosophical "zombie" terminology may be Robert Kirk's 1974 "Zombies vs. Materialists".[13]

After the publication of Chalmers's landmark paper, more than twenty papers in response were published in the Journal of Consciousness Studies. These papers (by Daniel Dennett, Colin McGinn, Francisco Varela, Francis Crick, and Roger Penrose, among others) were collected and published in the book Explaining Consciousness: The Hard Problem. John Searle critiqued Chalmers's views in The New York Review of Books.[14]

With Andy Clark, Chalmers has written The Extended Mind, an article about the borders of the mind.[15]

Philosophy of language

Chalmers has published works on the "theory of reference" concerning how words secure their referents. He, together with others such as Frank Jackson, proposes a kind of theory called two dimensionalism arguing against Saul Kripke. Before Kripke delivered the famous lecture series Naming and Necessity in 1970, the descriptivism advocated by Gottlob Frege and Bertrand Russell was the orthodoxy. Descriptivism suggests that a name is indeed an abbreviation of a description, which is a set of properties or, as later modified by John Searle, a disjunction of properties. This name secures its reference by a process of properties fitting: whichever object fits the description most, then it is the referent of the name. Therefore, the description is seen as the connotation, or, in Fregean terms, the sense of the name, and it is via this sense by which the denotation of the name is determined.

However, as Kripke argued in Naming and Necessity, a name does not secure its reference via any process of description fitting. Rather, a name determines its reference via a historical-causal link tracing back to the process of naming. And thus, Kripke thinks that a name does not have a sense, or, at least, does not have a sense which is rich enough to play the reference-determining role. Moreover, a name, in Kripke's view, is a rigid designator, which refers to the same object in all possible worlds. Following this line of thought, Kripke suggests that any scientific identity statement such as "Water is H2O" is also a necessary statement, i.e. true in all possible worlds. Kripke thinks that this is a phenomenon that the descriptivist cannot explain.

And, as also proposed by Hilary Putnam and Kripke himself, Kripke's view on names can also be applied to the reference of natural kind terms. The kind of theory of reference that is advocated by Kripke and Putnam is called the direct reference theory.

However, Chalmers disagrees with Kripke, and all the direct reference theorists in general. He thinks that there are two kinds of intension of a natural kind term, a stance which is now called two dimensionalism. For example, the words,

"Water is H2O"

are taken to express two distinct propositions, often referred to as a primary intension and a secondary intension, which together compose its meaning.[16]

The primary intension of a word or sentence is its sense, i.e., is the idea or method by which we find its referent. The primary intension of "water" might be a description, such as watery stuff. The thing picked out by the primary intension of "water" could have been otherwise. For example, on some other world where the inhabitants take "water" to mean watery stuff, but where the chemical make-up of watery stuff is not H2O, it is not the case that water is H2O for that world.

The secondary intension of "water" is whatever thing "water" happens to pick out in this world, whatever that world happens to be. So if we assign "water" the primary intension watery stuff then the secondary intension of "water" is H2O, since H2O is watery stuff in this world. The secondary intension of "water" in our world is H2O, and is H2O in every world because unlike watery stuff it is impossible for H2O to be other than H2O. When considered according to its secondary intension, water means H2O in every world. Via this secondary intension, Chalmers proposes a way simultaneously to explain the necessity of the identity statement and to preserve the role of intension/sense in determining the reference.

Philosophy of verbal disputes

In recent work, Chalmers has concentrated on verbal disputes.[17] He argues that a dispute is best characterized as "verbal" when it concerns some sentence S which contains a term T such that (i) the parties to the dispute disagree over the meaning of T, and (ii) the dispute arises solely because of this disagreement. In the same work, Chalmers proposes certain procedures for the resolution of verbal disputes. One of these he calls the "elimination method", which involves eliminating the contentious term and observing whether any dispute remains.

Bibliography

See also

Notes

  1. ^ CV
  2. ^ "The Thinking Ape: The Enigma of Human Consciousness"
  3. ^ philosophy.fas.nyu.edu
  4. ^ "People - NYU Center for Mind, Brain and Consciousness". wp.nyu.edu. Retrieved . 
  5. ^ Cognitive Science Online
  6. ^ consciousness.arizona.edu
  7. ^ The Conscious Mind: In Search of a Fundamental Theory (1996), paperback edition, back cover.
  8. ^ NYTimes.com
  9. ^ "Editorial Board (Stanford Encyclopedia of Philosophy)". plato.stanford.edu. Retrieved 2016. 
  10. ^ The hard problem of consciousness: 300 years on. Lecture at the MSU
  11. ^ Consciousness and the Universe. Interview with David Chalmers
  12. ^ Burkeman, Oliver (21 January 2015). "Why can't the world's greatest minds solve the mystery of consciousness?". The Guardian. Retrieved 2017. 
  13. ^ David Chalmers. "Zombies on the web". consc.net. Retrieved 2017. As far as I know, the first paper in the philosophical literature to talk at length about zombies under that name was Robert Kirk's "Zombies vs. Materialists" in Mind in 1974, although Keith Campbell's 1970 book Body and Mind talks about an "imitation-man" which is much the same thing, and the idea arguably goes back to Leibniz's "mill" argument. 
  14. ^ Searle's review of The Conscious Mind 6 March 1997 (subscription required)
    Chalmers' response to Searle and Searle's reply 15 May 1997 (free access)
  15. ^ consc.net Analysis 58:10-23, 1998. Reprinted in The Philosopher's Annual, 1998.
  16. ^ for a fuller explanation see Chalmers, David. The Conscious Mind. Oxford UP: 1996. Chapter 2, section 4.
  17. ^ consc.net Philosophical Review, 120:4, 2011.

External links


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