Soc Neurosci. 2009;4(1):40-8.

Disturbances of self-other distinction after stimulation of the extrastriate body area in the human brain.

David N, Jansen M, Cohen MX, Osswald K, Molnar-Szakacs I, Newen A, Vogeley K, Paus T.

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University of Cologne, Cologne, Germany. ndavid@uke.de

Abstract

In a recent experiment with functional magnetic-resonance imaging, we found that brain activity in the extrastriate body area (EBA) distinguished between observed self- and other-generated movements, being significantly higher during observation of someone else's movement. Here, we investigated further the role of EBA in self-other distinctions using low-frequency repetitive transcranial magnetic stimulation (rTMS). As compared with rTMS applied over a control site, rTMS applied over the EBA increased reaction times, without affecting accuracy, for the detection of other-generated movements. Performance on a control motion-direction detection task was unaffected. These findings provide additional evidence for the role of the EBA in processing information necessary for identifying ourselves as agents of self-generated movements.

PMID:: 18633839; [PubMed - indexed for MEDLINE]

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