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| Research article summary (published 27 Mar 2003): |
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Electrophysiology and brain imaging of biological motion.
Full Abstract
The movements of the faces and bodies of other conspecifics provide stimuli of considerable interest to the social primate. Studies of single cells, field potential recordings and functional neuroimaging data indicate that specialized visual mechanisms exist in the superior temporal sulcus (STS) of both human and non-human primates that produce selective neural responses to moving natural images of faces and bodies. STS mechanisms also process simplified displays of biological motion involving point lights marking the limb articulations of animate bodies and geometrical shapes whose motion simulates purposeful behaviour. Facial movements such as deviations in eye gaze, important for gauging an individual's social attention, and mouth movements, indicative of potential utterances, generate particularly robust neural responses that differentiate between movement types. Collectively such visual processing can enable the decoding of complex social signals and through its outputs to limbic, frontal and parietal systems the STS may play a part in enabling appropriate affective responses and social behaviour.
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Author information
Author/s: Puce, Aina (A); Perrett, David (D);
Affiliation: Centre for Advanced Imaging, Department of Radiology, West Virginia University, PO Box 9236, Morgantown 26506-9236, USA. apuce(-atsign-)hsc.wvu.edu
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review
Journal: Philosophical transactions of the Royal Society of London. Series B, Biological sciences (Philos Trans R Soc Lond B Biol Sci), published in England. (Language: eng)
Reference: 2003-Mar; vol 358 (issue 1431) : pp 435-45
Dates: Created 2003/04/11; Completed 2003/05/01; Revised 2006/11/15;
PMID: 12689371, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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