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Conscious Cogn. 2009 Jun;18(2):428-38. doi: 10.1016/j.concog.2009.02.006. Epub 2009 Apr 3.

The neural correlates of consciousness: new experimental approaches needed?

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School of Philosophy & Bioethics, Monash University, Australia.


It appears that consciousness science is progressing soundly, in particular in its search for the neural correlates of consciousness. There are two main approaches to this search, one is content-based (focusing on the contrast between conscious perception of, e.g., faces vs. houses), the other is state-based (focusing on overall conscious states, e.g., the contrast between dreamless sleep vs. the awake state). Methodological and conceptual considerations of a number of concrete studies show that both approaches are problematic: the content-based approach seems to set aside crucial aspects of consciousness; and the state-based approach seems over-inclusive in a way that is hard to rectify without losing sight of the crucial conscious-unconscious contrast. Consequently, the search for the neural correlates of consciousness is in need of new experimental paradigms.

[Indexed for MEDLINE]

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