Professional philosophy news

On measuring consciousness

New Scientist reviews Phi: A Voyage from the Brain to the Soul by Giulio Tononi (Neuroscience, Wisconsin).

It is still the case, for example, that each of us knows we have consciousness but can’t be sure anyone or anything else does. Mindful of this, Tononi…avoids the usual traps and lays out a computational theory that describes consciousness as arising from “integrated information”, a quantity he denotes with the Greek character Φ of his title… [I]f Tononi is right, he can in principle measure varying degrees of consciousness among different people, or even different organisms.



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