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Science. 2004 Jan 16;303(5656):380-3.

Differential representation of perception and action in the frontal cortex.

Author information

1
Department of Neurobiology, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA. abs21@pitt.edu

Abstract

A motor illusion was created to separate human subjects' perception of arm movement from their actual movement during figure drawing. Trajectories constructed from cortical activity recorded in monkeys performing the same task showed that the actual movement was represented in the primary motor cortex, whereas the visualized, presumably perceived, trajectories were found in the ventral premotor cortex. Perception and action representations can be differentially recognized in the brain and may be contained in separate structures.

PMID:
14726593
DOI:
10.1126/science.1087788
[Indexed for MEDLINE]
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