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Nat Neurosci. 2002 Apr;5(4):382-5.

Voluntary action and conscious awareness.

Author information

1
Institute of Cognitive Neuroscience, University College London, 17 Queen Square, London WC1N 3AR, UK. p.haggard@ucl.ac.uk

Abstract

Humans have the conscious experience of 'free will': we feel we can generate our actions, and thus affect our environment. Here we used the perceived time of intentional actions and of their sensory consequences as a means to study consciousness of action. These perceived times were attracted together in conscious awareness, so that subjects perceived voluntary movements as occurring later and their sensory consequences as occurring earlier than they actually did. Comparable involuntary movements caused by magnetic brain stimulation reversed this attraction effect. We conclude that the CNS applies a specific neural mechanism to produce intentional binding of actions and their effects in conscious awareness.

PMID:
11896397
DOI:
10.1038/nn827
[Indexed for MEDLINE]

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