Sensorimotor effects on central space representation: prism adaptation influences haptic and visual representations in normal subjects.
Identifieur interne : 001794 ( PubMed/Checkpoint ); précédent : 001793; suivant : 001795Sensorimotor effects on central space representation: prism adaptation influences haptic and visual representations in normal subjects.
Auteurs : M. Girardi [France] ; R D Mcintosh ; C. Michel ; G. Vallar ; Y. RossettiSource :
- Neuropsychologia [ 0028-3932 ] ; 2004.
English descriptors
- KwdEn :
- Adaptation, Psychological (physiology), Adult, Cerebral Cortex (physiopathology), Dominance, Cerebral (physiology), Drug Combinations, Female, Humans, Male, Middle Aged, Motion Perception (physiology), Oils, Orientation (physiology), Pattern Recognition, Visual (physiology), Perceptual Disorders (physiopathology), Perceptual Distortion (physiology), Phenols, Proprioception (physiology), Reference Values, Sensory Deprivation (physiology), Space Perception (physiology), Stereognosis (physiology), Touch (physiology), Vision, Binocular (physiology).
- MESH :
- chemical : Drug Combinations, Oils, Phenols.
- physiology : Adaptation, Psychological, Dominance, Cerebral, Motion Perception, Orientation, Pattern Recognition, Visual, Perceptual Distortion, Proprioception, Sensory Deprivation, Space Perception, Stereognosis, Touch, Vision, Binocular.
- physiopathology : Cerebral Cortex, Perceptual Disorders.
- Adult, Female, Humans, Male, Middle Aged, Reference Values.
Abstract
Prism adaptation improves visual and haptic manifestations of left neglect, and can induce a small but reliable simulation of left visual neglect in normal individuals. Here, we present two experiments in which the effects of prism adaptation on the representation of space were explored. In Experiment 1, normal subjects were required to locate the centre of a haptically explored circle, before and after adaptation to leftward displacing prisms. In Experiment 2, a visual circle centring task was used. In both tasks, prism adaptation induced a significant rightward shift of performance. In addition, in both experiments, three classical measures of visuo-manual adaptation were taken: the visual shift, the proprioceptive shift and the total shift. The effects found on the haptic and visual tasks did not correlate with any of these measures. This suggests that the effects of prism adaptation on the circle centring tasks did not depend directly on the sensorimotor consequences of the adaptation. These results imply that prism adaptation can affect noetic levels of space representation in normal subjects, supporting the hypothesis that this low-level sensorimotor intervention can exert a bottom-up structuring influence on higher levels of cognitive integration.
DOI: 10.1016/j.neuropsychologia.2004.03.008
PubMed: 15246285
Affiliations:
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Girardi</name><affiliation wicri:level="3"><nlm:affiliation>Espace et Action, INSERM, 16 Avenue Lepine, Case 13, Unité 543, Bron 69676, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Espace et Action, INSERM, 16 Avenue Lepine, Case 13, Unité 543, Bron 69676</wicri:regionArea><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region></placeName></affiliation></author><author><name sortKey="Mcintosh, R D" sort="Mcintosh, R D" uniqKey="Mcintosh R" first="R D" last="Mcintosh">R D Mcintosh</name></author><author><name sortKey="Michel, C" sort="Michel, C" uniqKey="Michel C" first="C" last="Michel">C. Michel</name></author><author><name sortKey="Vallar, G" sort="Vallar, G" uniqKey="Vallar G" first="G" last="Vallar">G. Vallar</name></author><author><name sortKey="Rossetti, Y" sort="Rossetti, Y" uniqKey="Rossetti Y" first="Y" last="Rossetti">Y. 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Rossetti</name></author></analytic><series><title level="j">Neuropsychologia</title><idno type="ISSN">0028-3932</idno><imprint><date when="2004" type="published">2004</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Psychological (physiology)</term><term>Adult</term><term>Cerebral Cortex (physiopathology)</term><term>Dominance, Cerebral (physiology)</term><term>Drug Combinations</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Motion Perception (physiology)</term><term>Oils</term><term>Orientation (physiology)</term><term>Pattern Recognition, Visual (physiology)</term><term>Perceptual Disorders (physiopathology)</term><term>Perceptual Distortion (physiology)</term><term>Phenols</term><term>Proprioception (physiology)</term><term>Reference Values</term><term>Sensory Deprivation (physiology)</term><term>Space Perception (physiology)</term><term>Stereognosis (physiology)</term><term>Touch (physiology)</term><term>Vision, Binocular (physiology)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Drug Combinations</term><term>Oils</term><term>Phenols</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Adaptation, Psychological</term><term>Dominance, Cerebral</term><term>Motion Perception</term><term>Orientation</term><term>Pattern Recognition, Visual</term><term>Perceptual Distortion</term><term>Proprioception</term><term>Sensory Deprivation</term><term>Space Perception</term><term>Stereognosis</term><term>Touch</term><term>Vision, Binocular</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cerebral Cortex</term><term>Perceptual Disorders</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Reference Values</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Prism adaptation improves visual and haptic manifestations of left neglect, and can induce a small but reliable simulation of left visual neglect in normal individuals. Here, we present two experiments in which the effects of prism adaptation on the representation of space were explored. In Experiment 1, normal subjects were required to locate the centre of a haptically explored circle, before and after adaptation to leftward displacing prisms. In Experiment 2, a visual circle centring task was used. In both tasks, prism adaptation induced a significant rightward shift of performance. In addition, in both experiments, three classical measures of visuo-manual adaptation were taken: the visual shift, the proprioceptive shift and the total shift. The effects found on the haptic and visual tasks did not correlate with any of these measures. This suggests that the effects of prism adaptation on the circle centring tasks did not depend directly on the sensorimotor consequences of the adaptation. These results imply that prism adaptation can affect noetic levels of space representation in normal subjects, supporting the hypothesis that this low-level sensorimotor intervention can exert a bottom-up structuring influence on higher levels of cognitive integration.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">15246285</PMID><DateCreated><Year>2004</Year><Month>07</Month><Day>12</Day></DateCreated><DateCompleted><Year>2004</Year><Month>09</Month><Day>17</Day></DateCompleted><DateRevised><Year>2009</Year><Month>11</Month><Day>11</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-3932</ISSN><JournalIssue CitedMedium="Print"><Volume>42</Volume><Issue>11</Issue><PubDate><Year>2004</Year></PubDate></JournalIssue><Title>Neuropsychologia</Title><ISOAbbreviation>Neuropsychologia</ISOAbbreviation></Journal><ArticleTitle>Sensorimotor effects on central space representation: prism adaptation influences haptic and visual representations in normal subjects.</ArticleTitle><Pagination><MedlinePgn>1477-87</MedlinePgn></Pagination><Abstract><AbstractText>Prism adaptation improves visual and haptic manifestations of left neglect, and can induce a small but reliable simulation of left visual neglect in normal individuals. Here, we present two experiments in which the effects of prism adaptation on the representation of space were explored. In Experiment 1, normal subjects were required to locate the centre of a haptically explored circle, before and after adaptation to leftward displacing prisms. In Experiment 2, a visual circle centring task was used. In both tasks, prism adaptation induced a significant rightward shift of performance. In addition, in both experiments, three classical measures of visuo-manual adaptation were taken: the visual shift, the proprioceptive shift and the total shift. The effects found on the haptic and visual tasks did not correlate with any of these measures. This suggests that the effects of prism adaptation on the circle centring tasks did not depend directly on the sensorimotor consequences of the adaptation. 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Michel</name><name sortKey="Rossetti, Y" sort="Rossetti, Y" uniqKey="Rossetti Y" first="Y" last="Rossetti">Y. Rossetti</name><name sortKey="Vallar, G" sort="Vallar, G" uniqKey="Vallar G" first="G" last="Vallar">G. Vallar</name></noCountry><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Girardi, M" sort="Girardi, M" uniqKey="Girardi M" first="M" last="Girardi">M. Girardi</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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