Journal
CONSCIOUSNESS AND COGNITION
Volume 18, Issue 2, Pages 428-438Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.concog.2009.02.006
Keywords
Neural correlates of consciousness; Content consciousness; State consciousness; Binocular rivalry; Vegetative state; Philosophy of neuroscience
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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. (C) 2009 Elsevier Inc. All rights reserved.
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