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Somatosensory Plasticity and Motor Learning

Identifieur interne : 001503 ( Ncbi/Curation ); précédent : 001502; suivant : 001504

Somatosensory Plasticity and Motor Learning

Auteurs : David J. Ostry [États-Unis] ; Mohammad Darainy [Iran] ; Andrew A. G. Mattar ; Jeremy Wong [Canada] ; Paul L. Gribble [Canada]

Source :

The Journal of neuroscience : the official journal of the Society for Neuroscience [ 0270-6474 ] ; 2010.

RBID : PMC:2858322

Abstract

Motor learning is dependent upon plasticity in motor areas of the brain, but does it occur in isolation or does it also result in changes to sensory systems? We examined changes to somatosensory function that occur in conjunction with motor learning. We found that even after periods of training as brief as 10 minutes, sensed limb position was altered and the perceptual change persisted for 24 hours. The perceptual change was reflected in subsequent movements; limb movements following learning deviated from the pre-learning trajectory by an amount that was not different in magnitude and in the same direction as the perceptual shift. Crucially, the perceptual change was dependent upon motor learning. When the limb was displaced passively such that subjects experienced similar kinematics but without learning, no sensory change was observed. The findings indicate that motor learning affects not only motor areas of the brain but changes sensory function as well.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2858322

DOI: 10.1523/JNEUROSCI.4571-09.2010
PubMed: 20392960
PubMed Central: 2858322

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David J. Ostry

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<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Connecticut</region>
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<wicri:cityArea>Haskins Laboratories, New Haven</wicri:cityArea>
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Mohammad Darainy

<affiliation><nlm:aff id="A1">McGill University, Montreal, Québec</nlm:aff>
<wicri:noCountry code="subfield">Québec</wicri:noCountry>
</affiliation>

<affiliation wicri:level="1"><nlm:aff id="A3">Shahed University, Tehran, Iran</nlm:aff>
<country xml:lang="fr">Iran</country>
<wicri:regionArea>Shahed University, Tehran</wicri:regionArea>
<wicri:noRegion>Tehran</wicri:noRegion>
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Andrew A. G. Mattar

<affiliation><nlm:aff id="A1">McGill University, Montreal, Québec</nlm:aff>
<wicri:noCountry code="subfield">Québec</wicri:noCountry>
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Somatosensory Plasticity and Motor Learning

Somatosensory Plasticity and Motor Learning

Source :

Abstract

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