The manual haptic perception of orientations and the oblique effect in patients with left visuo-spatial neglect.
Identifieur interne : 001C94 ( PubMed/Corpus ); précédent : 001C93; suivant : 001C95The manual haptic perception of orientations and the oblique effect in patients with left visuo-spatial neglect.
Auteurs : Edouard Gentaz ; Maryse Badan ; Marion Luyat ; Nathalie TouilSource :
- Neuroreport [ 0959-4965 ] ; 2002.
English descriptors
- KwdEn :
- MESH :
- etiology : Cognition Disorders.
- physiology : Functional Laterality, Orientation, Psychomotor Performance, Space Perception.
- psychology : Cognition Disorders.
- Adult, Aged, Female, Humans, Male, Middle Aged.
Abstract
This study addresses the limits of haptic orientation deficit observed in patients with left visuo-spatial neglect (VSN) in the fronto-parallel plane. We concentrated on two aspects of the haptic perception of vertical, horizontal and oblique orientations: first, the global level of performances compared with normal subjects and, second, the occurrence of the oblique effect (i.e. lower performances in oblique orientations than in vertical-horizontal orientations). Subjects were asked to position a rod, presented in the fronto-parallel plane, to one of four orientations: vertical, horizontal, left 45 degrees oblique and right 45 degrees oblique. First, we found a haptic orientation deficit in neglect patients: The precision was lower in the neglect patients than in the normal (young adults and seniors) subjects. Second, we observed in both neglect patients and control subjects the occurrence of a similar haptic oblique effect and there were no differences between the results in the left and right hemispaces. Taken together, this means that, in spite of the global haptic orientation production deficit observed in VSN patients, no specific pattern was observed in the haptic production of different orientations in these subjects as compared to the two other groups. The haptic orientation deficit of neglect patients seems to affect in the same way all values and spatial positions of orientations.
PubMed: 11930132
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pubmed:11930132Le document en format XML
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We concentrated on two aspects of the haptic perception of vertical, horizontal and oblique orientations: first, the global level of performances compared with normal subjects and, second, the occurrence of the oblique effect (i.e. lower performances in oblique orientations than in vertical-horizontal orientations). Subjects were asked to position a rod, presented in the fronto-parallel plane, to one of four orientations: vertical, horizontal, left 45 degrees oblique and right 45 degrees oblique. First, we found a haptic orientation deficit in neglect patients: The precision was lower in the neglect patients than in the normal (young adults and seniors) subjects. Second, we observed in both neglect patients and control subjects the occurrence of a similar haptic oblique effect and there were no differences between the results in the left and right hemispaces. Taken together, this means that, in spite of the global haptic orientation production deficit observed in VSN patients, no specific pattern was observed in the haptic production of different orientations in these subjects as compared to the two other groups. The haptic orientation deficit of neglect patients seems to affect in the same way all values and spatial positions of orientations.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">11930132</PMID><DateCreated><Year>2002</Year><Month>04</Month><Day>03</Day></DateCreated><DateCompleted><Year>2002</Year><Month>05</Month><Day>02</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0959-4965</ISSN><JournalIssue CitedMedium="Print"><Volume>13</Volume><Issue>3</Issue><PubDate><Year>2002</Year><Month>Mar</Month><Day>4</Day></PubDate></JournalIssue><Title>Neuroreport</Title><ISOAbbreviation>Neuroreport</ISOAbbreviation></Journal><ArticleTitle>The manual haptic perception of orientations and the oblique effect in patients with left visuo-spatial neglect.</ArticleTitle><Pagination><MedlinePgn>327-31</MedlinePgn></Pagination><Abstract><AbstractText>This study addresses the limits of haptic orientation deficit observed in patients with left visuo-spatial neglect (VSN) in the fronto-parallel plane. We concentrated on two aspects of the haptic perception of vertical, horizontal and oblique orientations: first, the global level of performances compared with normal subjects and, second, the occurrence of the oblique effect (i.e. lower performances in oblique orientations than in vertical-horizontal orientations). Subjects were asked to position a rod, presented in the fronto-parallel plane, to one of four orientations: vertical, horizontal, left 45 degrees oblique and right 45 degrees oblique. First, we found a haptic orientation deficit in neglect patients: The precision was lower in the neglect patients than in the normal (young adults and seniors) subjects. Second, we observed in both neglect patients and control subjects the occurrence of a similar haptic oblique effect and there were no differences between the results in the left and right hemispaces. Taken together, this means that, in spite of the global haptic orientation production deficit observed in VSN patients, no specific pattern was observed in the haptic production of different orientations in these subjects as compared to the two other groups. The haptic orientation deficit of neglect patients seems to affect in the same way all values and spatial positions of orientations.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gentaz</LastName><ForeName>Edouard</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Laboratoire Cognition et Développement, UMR 8605 CNRS, Université René Descartes, Paris V, 71 avenue Edouard Vaillant, F-92774 Boulogne-Billancourt Cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Badan</LastName><ForeName>Maryse</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Luyat</LastName><ForeName>Marion</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Touil</LastName><ForeName>Nathalie</ForeName><Initials>N</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016430">Clinical Trial</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Neuroreport</MedlineTA><NlmUniqueID>9100935</NlmUniqueID><ISSNLinking>0959-4965</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000368">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003072">Cognition Disorders</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000209">etiology</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000523">psychology</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="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009949">Orientation</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011597">Psychomotor Performance</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013028">Space Perception</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>4</Month><Day>4</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>5</Month><Day>3</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>4</Month><Day>4</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">11930132</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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