Noninformative vision improves haptic spatial perception.
Identifieur interne : 001C49 ( PubMed/Corpus ); précédent : 001C48; suivant : 001C50Noninformative vision improves haptic spatial perception.
Auteurs : Roger Newport ; Benjamin Rabb ; Stephen R. JacksonSource :
- Current biology : CB [ 0960-9822 ] ; 2002.
English descriptors
- KwdEn :
- MESH :
- physiology : Functional Laterality, Hand, Space Perception, Vision, Ocular.
- Humans, Photic Stimulation.
Abstract
Previous studies have attempted to map somatosensory space via haptic matching tasks and have shown that individuals make large and systematic matching errors, the magnitude and angular direction of which vary systematically through the workspace. Based upon such demonstrations, it has been suggested that haptic space is non-Euclidian. This conclusion assumes that spatial perception is modality specific, and it largely ignores the fact that tactile matching tasks involve active, exploratory arm movements. Here we demonstrate that, when individuals match two bar stimuli (i.e., make them parallel) in circumstances favoring extrinsic (visual) coordinates, providing noninformative visual information significantly increases the accuracy of haptic perception. In contrast, when individuals match the same bar stimuli in circumstances favoring the coding of movements in intrinsic (limb-based) coordinates, providing identical noninformative visual information either has no effect or leads to the decreased accuracy of haptic perception. These results are consistent with optimal integration models of sensory integration in which the weighting given to visual and somatosensory signals depends upon the precision of the visual and somatosensory information and provide important evidence for the task-dependent integration of visual and somatosensory signals during the construction of a representation of peripersonal space.
PubMed: 12361568
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Jackson</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2002">2002</date><idno type="RBID">pubmed:12361568</idno><idno type="pmid">12361568</idno><idno type="wicri:Area/PubMed/Corpus">001C49</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Noninformative vision improves haptic spatial perception.</title><author><name sortKey="Newport, Roger" sort="Newport, Roger" uniqKey="Newport R" first="Roger" last="Newport">Roger Newport</name><affiliation><nlm:affiliation>School of Psychology, The University of Nottingham, University Park, NG7 2RD, Nottingham, United Kingdom.</nlm:affiliation></affiliation></author><author><name sortKey="Rabb, Benjamin" sort="Rabb, Benjamin" uniqKey="Rabb B" first="Benjamin" last="Rabb">Benjamin Rabb</name></author><author><name sortKey="Jackson, Stephen R" sort="Jackson, Stephen R" uniqKey="Jackson S" first="Stephen R" last="Jackson">Stephen R. Jackson</name></author></analytic><series><title level="j">Current biology : CB</title><idno type="ISSN">0960-9822</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Functional Laterality (physiology)</term><term>Hand (physiology)</term><term>Humans</term><term>Photic Stimulation</term><term>Space Perception (physiology)</term><term>Vision, Ocular (physiology)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Functional Laterality</term><term>Hand</term><term>Space Perception</term><term>Vision, Ocular</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term><term>Photic Stimulation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Previous studies have attempted to map somatosensory space via haptic matching tasks and have shown that individuals make large and systematic matching errors, the magnitude and angular direction of which vary systematically through the workspace. Based upon such demonstrations, it has been suggested that haptic space is non-Euclidian. This conclusion assumes that spatial perception is modality specific, and it largely ignores the fact that tactile matching tasks involve active, exploratory arm movements. Here we demonstrate that, when individuals match two bar stimuli (i.e., make them parallel) in circumstances favoring extrinsic (visual) coordinates, providing noninformative visual information significantly increases the accuracy of haptic perception. In contrast, when individuals match the same bar stimuli in circumstances favoring the coding of movements in intrinsic (limb-based) coordinates, providing identical noninformative visual information either has no effect or leads to the decreased accuracy of haptic perception. These results are consistent with optimal integration models of sensory integration in which the weighting given to visual and somatosensory signals depends upon the precision of the visual and somatosensory information and provide important evidence for the task-dependent integration of visual and somatosensory signals during the construction of a representation of peripersonal space.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">12361568</PMID><DateCreated><Year>2002</Year><Month>10</Month><Day>03</Day></DateCreated><DateCompleted><Year>2003</Year><Month>08</Month><Day>15</Day></DateCompleted><DateRevised><Year>2008</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0960-9822</ISSN><JournalIssue CitedMedium="Print"><Volume>12</Volume><Issue>19</Issue><PubDate><Year>2002</Year><Month>Oct</Month><Day>1</Day></PubDate></JournalIssue><Title>Current biology : CB</Title><ISOAbbreviation>Curr. Biol.</ISOAbbreviation></Journal><ArticleTitle>Noninformative vision improves haptic spatial perception.</ArticleTitle><Pagination><MedlinePgn>1661-4</MedlinePgn></Pagination><Abstract><AbstractText>Previous studies have attempted to map somatosensory space via haptic matching tasks and have shown that individuals make large and systematic matching errors, the magnitude and angular direction of which vary systematically through the workspace. Based upon such demonstrations, it has been suggested that haptic space is non-Euclidian. This conclusion assumes that spatial perception is modality specific, and it largely ignores the fact that tactile matching tasks involve active, exploratory arm movements. Here we demonstrate that, when individuals match two bar stimuli (i.e., make them parallel) in circumstances favoring extrinsic (visual) coordinates, providing noninformative visual information significantly increases the accuracy of haptic perception. In contrast, when individuals match the same bar stimuli in circumstances favoring the coding of movements in intrinsic (limb-based) coordinates, providing identical noninformative visual information either has no effect or leads to the decreased accuracy of haptic perception. These results are consistent with optimal integration models of sensory integration in which the weighting given to visual and somatosensory signals depends upon the precision of the visual and somatosensory information and provide important evidence for the task-dependent integration of visual and somatosensory signals during the construction of a representation of peripersonal space.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Newport</LastName><ForeName>Roger</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>School of Psychology, The University of Nottingham, University Park, NG7 2RD, Nottingham, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rabb</LastName><ForeName>Benjamin</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Jackson</LastName><ForeName>Stephen R</ForeName><Initials>SR</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Curr Biol</MedlineTA><NlmUniqueID>9107782</NlmUniqueID><ISSNLinking>0960-9822</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007839">Functional Laterality</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006225">Hand</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010775">Photic Stimulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013028">Space Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014785">Vision, Ocular</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>10</Month><Day>4</Day><Hour>4</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>8</Month><Day>16</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>10</Month><Day>4</Day><Hour>4</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12361568</ArticleId><ArticleId IdType="pii">S0960982202011788</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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