Hemispheric specialisation in haptic processing.
Identifieur interne : 000D38 ( PubMed/Checkpoint ); précédent : 000D37; suivant : 000D39Hemispheric specialisation in haptic processing.
Auteurs : Simon P. Tomlinson [Royaume-Uni] ; Nick J. Davis ; Helen M. Morgan ; R Martyn BracewellSource :
- Neuropsychologia [ 1873-3514 ] ; 2011.
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Abstract
This study investigated the organising principles of touch. We examined specialisations within the haptic system and their hemispheric distribution. Haptic processing consists of the integration of data from multiple sources to form a single percept. Previous research provides strong support for a hierarchical and functional distribution within haptic processing. We investigated hemispheric asymmetry in haptic discrimination of objects with differing textures and centres of mass. By analogy with vision it was hypothesised that participants would demonstrate a left-hand advantage for centre of mass discrimination (a 'global', presumed right hemisphere, judgement) and a right-hand advantage for surface texture judgements (a 'local', presumed left hemisphere discrimination). We found that left-handed participants showed these effects to a lesser degree than did the right-handers, consistent with the notion that left-handed people generally show weaker asymmetries in bimanual tasks. In a second experiment the effect of conflicting information on haptic percept formation was investigated. Following from the previous hypotheses it was predicted that participants would be more accurate with their right hands at judging conflicting surfaces. Contrary to predictions an advantage was demonstrated for the left hand for texture discrimination and for the right hand for centre of mass judgement.
DOI: 10.1016/j.neuropsychologia.2011.05.018
PubMed: 21658397
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Morgan</name></author><author><name sortKey="Bracewell, R Martyn" sort="Bracewell, R Martyn" uniqKey="Bracewell R" first="R Martyn" last="Bracewell">R Martyn Bracewell</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="doi">10.1016/j.neuropsychologia.2011.05.018</idno><idno type="RBID">pubmed:21658397</idno><idno type="pmid">21658397</idno><idno type="wicri:Area/PubMed/Corpus">000E52</idno><idno type="wicri:Area/PubMed/Curation">000E52</idno><idno type="wicri:Area/PubMed/Checkpoint">000D38</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Hemispheric specialisation in haptic processing.</title><author><name sortKey="Tomlinson, Simon P" sort="Tomlinson, Simon P" uniqKey="Tomlinson S" first="Simon P" last="Tomlinson">Simon P. Tomlinson</name><affiliation wicri:level="1"><nlm:affiliation>School of Psychology, Bangor University, Bangor, Gwynedd LL57 2AS, United Kingdom. pspa38@bangor.ac.uk</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>School of Psychology, Bangor University, Bangor, Gwynedd LL57 2AS</wicri:regionArea><wicri:noRegion>Gwynedd LL57 2AS</wicri:noRegion></affiliation></author><author><name sortKey="Davis, Nick J" sort="Davis, Nick J" uniqKey="Davis N" first="Nick J" last="Davis">Nick J. Davis</name></author><author><name sortKey="Morgan, Helen M" sort="Morgan, Helen M" uniqKey="Morgan H" first="Helen M" last="Morgan">Helen M. Morgan</name></author><author><name sortKey="Bracewell, R Martyn" sort="Bracewell, R Martyn" uniqKey="Bracewell R" first="R Martyn" last="Bracewell">R Martyn Bracewell</name></author></analytic><series><title level="j">Neuropsychologia</title><idno type="eISSN">1873-3514</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cerebral Cortex (physiology)</term><term>Discrimination (Psychology) (physiology)</term><term>Female</term><term>Functional Laterality (physiology)</term><term>Humans</term><term>Male</term><term>Reference Values</term><term>Stereognosis (physiology)</term><term>Touch Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Cerebral Cortex</term><term>Discrimination (Psychology)</term><term>Functional Laterality</term><term>Stereognosis</term><term>Touch Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Female</term><term>Humans</term><term>Male</term><term>Reference Values</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study investigated the organising principles of touch. We examined specialisations within the haptic system and their hemispheric distribution. Haptic processing consists of the integration of data from multiple sources to form a single percept. Previous research provides strong support for a hierarchical and functional distribution within haptic processing. We investigated hemispheric asymmetry in haptic discrimination of objects with differing textures and centres of mass. By analogy with vision it was hypothesised that participants would demonstrate a left-hand advantage for centre of mass discrimination (a 'global', presumed right hemisphere, judgement) and a right-hand advantage for surface texture judgements (a 'local', presumed left hemisphere discrimination). We found that left-handed participants showed these effects to a lesser degree than did the right-handers, consistent with the notion that left-handed people generally show weaker asymmetries in bimanual tasks. In a second experiment the effect of conflicting information on haptic percept formation was investigated. Following from the previous hypotheses it was predicted that participants would be more accurate with their right hands at judging conflicting surfaces. Contrary to predictions an advantage was demonstrated for the left hand for texture discrimination and for the right hand for centre of mass judgement.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">21658397</PMID><DateCreated><Year>2011</Year><Month>07</Month><Day>15</Day></DateCreated><DateCompleted><Year>2011</Year><Month>12</Month><Day>06</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-3514</ISSN><JournalIssue CitedMedium="Internet"><Volume>49</Volume><Issue>9</Issue><PubDate><Year>2011</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Neuropsychologia</Title><ISOAbbreviation>Neuropsychologia</ISOAbbreviation></Journal><ArticleTitle>Hemispheric specialisation in haptic processing.</ArticleTitle><Pagination><MedlinePgn>2703-10</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.neuropsychologia.2011.05.018</ELocationID><Abstract><AbstractText>This study investigated the organising principles of touch. We examined specialisations within the haptic system and their hemispheric distribution. Haptic processing consists of the integration of data from multiple sources to form a single percept. Previous research provides strong support for a hierarchical and functional distribution within haptic processing. We investigated hemispheric asymmetry in haptic discrimination of objects with differing textures and centres of mass. By analogy with vision it was hypothesised that participants would demonstrate a left-hand advantage for centre of mass discrimination (a 'global', presumed right hemisphere, judgement) and a right-hand advantage for surface texture judgements (a 'local', presumed left hemisphere discrimination). We found that left-handed participants showed these effects to a lesser degree than did the right-handers, consistent with the notion that left-handed people generally show weaker asymmetries in bimanual tasks. In a second experiment the effect of conflicting information on haptic percept formation was investigated. Following from the previous hypotheses it was predicted that participants would be more accurate with their right hands at judging conflicting surfaces. Contrary to predictions an advantage was demonstrated for the left hand for texture discrimination and for the right hand for centre of mass judgement.</AbstractText><CopyrightInformation>Copyright © 2011 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tomlinson</LastName><ForeName>Simon P</ForeName><Initials>SP</Initials><AffiliationInfo><Affiliation>School of Psychology, Bangor University, Bangor, Gwynedd LL57 2AS, United Kingdom. pspa38@bangor.ac.uk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Davis</LastName><ForeName>Nick J</ForeName><Initials>NJ</Initials></Author><Author ValidYN="Y"><LastName>Morgan</LastName><ForeName>Helen M</ForeName><Initials>HM</Initials></Author><Author ValidYN="Y"><LastName>Bracewell</LastName><ForeName>R Martyn</ForeName><Initials>RM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2011</Year><Month>05</Month><Day>30</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Neuropsychologia</MedlineTA><NlmUniqueID>0020713</NlmUniqueID><ISSNLinking>0028-3932</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002540">Cerebral Cortex</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004192">Discrimination (Psychology)</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007839">Functional Laterality</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D012016">Reference Values</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013236">Stereognosis</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055698">Touch Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2011</Year><Month>2</Month><Day>3</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2011</Year><Month>5</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2011</Year><Month>5</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2011</Year><Month>5</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>6</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>6</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>12</Month><Day>13</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">S0028-3932(11)00267-3</ArticleId><ArticleId IdType="doi">10.1016/j.neuropsychologia.2011.05.018</ArticleId><ArticleId IdType="pubmed">21658397</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Royaume-Uni</li></country></list><tree><noCountry><name sortKey="Bracewell, R Martyn" sort="Bracewell, R Martyn" uniqKey="Bracewell R" first="R Martyn" last="Bracewell">R Martyn Bracewell</name><name sortKey="Davis, Nick J" sort="Davis, Nick J" uniqKey="Davis N" first="Nick J" last="Davis">Nick J. Davis</name><name sortKey="Morgan, Helen M" sort="Morgan, Helen M" uniqKey="Morgan H" first="Helen M" last="Morgan">Helen M. Morgan</name></noCountry><country name="Royaume-Uni"><noRegion><name sortKey="Tomlinson, Simon P" sort="Tomlinson, Simon P" uniqKey="Tomlinson S" first="Simon P" last="Tomlinson">Simon P. Tomlinson</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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