Two Neural Correlates of Consciousness (expanded version)

Document Type: 
Article
Article Type: 
Theoretical
Disciplines: 
Neuroscience
Topics: 
Theory of Consciousness
Keywords: 
NCC, consciousness, phenomenology, neural basis of conssciousness
Deposited by: 
Prof Ned Block
Date of Issue: 
2005
Authors: 
N. Block
Journal/Publication Title: 
Trends in Cognitive Sciences
Volume: 
9
Issue Number: 
2
Page Range: 
46-52
Official URL: 
http://www.trends.com/tics/
Alternative URL: 
http://www.nyu.edu/gsas/dept/philo/faculty/block/papers/final_revised_proof.pdf
Abstract: 
Neuroscientists continue to search for 'the' neural correlate of consciousness (NCC). In this article, I argue that a framework in which there are at least two distinct NCCs is increasingly making more sense of empirical results than one in which there is a single NCC. I outline the distinction between phenomenal NCC and access NCC, and show how they can be distinguished by experimental approaches, in particular signaldetection theory approaches. Recent findings in cognitive neuroscience provide an empirical case for two different NCCs.
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