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Neural representations of ethologically relevant hand/mouth synergies in the human precentral gyrus

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Neural representations of ethologically relevant hand/mouth synergies in the human precentral gyrus

Auteurs : Michel Desmurget [France] ; Nathalie Richard [France] ; Sylvain Harquel [France] ; Pierre Baraduc [France] ; Alexandru Szathmari [France] ; Carmine Mottolese [France] ; Angela Sirigu [France]

Source :

Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2014.

RBID : PMC:3992683

Abstract

Significance

The motor repertoire of infants is narrow. Yet newborns can accurately bring their hands toward their mouth for self-feeding, thumb-sucking, or perioral exploration, thus showing fine coordinated movement synergies between the hand and mouth. Here, we show that these gestures of high ethological value are selectively encoded in the human brain and represented as integrated primitives within the precentral gyrus, a key region for sensorimotor processing. These findings have major implications for our understanding of the organization and phylogenesis of motor functions in primates.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3992683

DOI: 10.1073/pnas.1321909111
PubMed: 24706796
PubMed Central: 3992683

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PMC:3992683

Le document en format XML

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<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<front><div type="abstract" xml:lang="en"><title>Significance</title>
<p>The motor repertoire of infants is narrow. Yet newborns can accurately bring their hands toward their mouth for self-feeding, thumb-sucking, or perioral exploration, thus showing fine coordinated movement synergies between the hand and mouth. Here, we show that these gestures of high ethological value are selectively encoded in the human brain and represented as integrated primitives within the precentral gyrus, a key region for sensorimotor processing. These findings have major implications for our understanding of the organization and phylogenesis of motor functions in primates.</p>
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Neural representations of ethologically relevant hand/mouth synergies in the human precentral gyrus

Neural representations of ethologically relevant hand/mouth synergies in the human precentral gyrus

Source :

Abstract

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Le document en format XML

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Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki