The role of body centre of mass on haptic subjective vertical.
Identifieur interne : 001254 ( PubMed/Corpus ); précédent : 001253; suivant : 001255The role of body centre of mass on haptic subjective vertical.
Auteurs : Benoît Fourre ; Brice Isableu ; Delphine Bernardin ; Marc Gueguen ; Guillaume Giraudet ; Nicolas Vuillerme ; Christopher Pagano ; Michel-Ange AmorimSource :
- Neuroscience letters [ 1872-7972 ] ; 2009.
English descriptors
- KwdEn :
- MESH :
- physiology : Orientation, Postural Balance, Proprioception, Touch.
- Adolescent, Humans, Male.
Abstract
We examined to which extent proprioceptive information involved in the perception of subjective vertical corresponded to mechanical mass-based axes of the body. Blindfolded subjects (n=14) estimated their subjective vertical in conditions of deviation of the centre of mass (CM) of (1) the head-trunk unit or (2) the head segment alone. Verticality estimates (provided in a haptic modality) were significantly altered by the deviation of the head-trunk CM (by either 4 degrees or 7 degrees), indicating that the subjects used mass-based proprioceptive information stemming from the trunk. Modifying the perception of body orientation by shifting the trunk CM sideways while keeping the body vertical, deviates the subjective vertical towards the opposite side in a similar way to the so-called 'E-effect'. The induced deviations of head CM (9.33 degrees) did not affect the subjective vertical, suggesting that when the balance of the body is not threatened, proprioceptive or vestibular information is prioritized to estimate gravitational direction.
DOI: 10.1016/j.neulet.2009.07.005
PubMed: 19591896
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pubmed:19591896Le document en format XML
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Blindfolded subjects (n=14) estimated their subjective vertical in conditions of deviation of the centre of mass (CM) of (1) the head-trunk unit or (2) the head segment alone. Verticality estimates (provided in a haptic modality) were significantly altered by the deviation of the head-trunk CM (by either 4 degrees or 7 degrees), indicating that the subjects used mass-based proprioceptive information stemming from the trunk. Modifying the perception of body orientation by shifting the trunk CM sideways while keeping the body vertical, deviates the subjective vertical towards the opposite side in a similar way to the so-called 'E-effect'. The induced deviations of head CM (9.33 degrees) did not affect the subjective vertical, suggesting that when the balance of the body is not threatened, proprioceptive or vestibular information is prioritized to estimate gravitational direction.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">19591896</PMID><DateCreated><Year>2009</Year><Month>10</Month><Day>12</Day></DateCreated><DateCompleted><Year>2010</Year><Month>01</Month><Day>04</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1872-7972</ISSN><JournalIssue CitedMedium="Internet"><Volume>465</Volume><Issue>3</Issue><PubDate><Year>2009</Year><Month>Nov</Month><Day>20</Day></PubDate></JournalIssue><Title>Neuroscience letters</Title><ISOAbbreviation>Neurosci. Lett.</ISOAbbreviation></Journal><ArticleTitle>The role of body centre of mass on haptic subjective vertical.</ArticleTitle><Pagination><MedlinePgn>230-4</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.neulet.2009.07.005</ELocationID><Abstract><AbstractText>We examined to which extent proprioceptive information involved in the perception of subjective vertical corresponded to mechanical mass-based axes of the body. Blindfolded subjects (n=14) estimated their subjective vertical in conditions of deviation of the centre of mass (CM) of (1) the head-trunk unit or (2) the head segment alone. Verticality estimates (provided in a haptic modality) were significantly altered by the deviation of the head-trunk CM (by either 4 degrees or 7 degrees), indicating that the subjects used mass-based proprioceptive information stemming from the trunk. Modifying the perception of body orientation by shifting the trunk CM sideways while keeping the body vertical, deviates the subjective vertical towards the opposite side in a similar way to the so-called 'E-effect'. The induced deviations of head CM (9.33 degrees) did not affect the subjective vertical, suggesting that when the balance of the body is not threatened, proprioceptive or vestibular information is prioritized to estimate gravitational direction.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Fourre</LastName><ForeName>Benoît</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Laboratoire Contrôle Moteur et Perception (UPRES EA 4042), Univ Paris-Sud, 91405 Orsay Cedex, France. benoit.fourre@u-psud.fr</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Isableu</LastName><ForeName>Brice</ForeName><Initials>B</Initials></Author><Author ValidYN="Y"><LastName>Bernardin</LastName><ForeName>Delphine</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Gueguen</LastName><ForeName>Marc</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Giraudet</LastName><ForeName>Guillaume</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Vuillerme</LastName><ForeName>Nicolas</ForeName><Initials>N</Initials></Author><Author ValidYN="Y"><LastName>Pagano</LastName><ForeName>Christopher</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Amorim</LastName><ForeName>Michel-Ange</ForeName><Initials>MA</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2009</Year><Month>07</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>Ireland</Country><MedlineTA>Neurosci Lett</MedlineTA><NlmUniqueID>7600130</NlmUniqueID><ISSNLinking>0304-3940</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000293">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009949">Orientation</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004856">Postural Balance</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011434">Proprioception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014110">Touch</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2009</Year><Month>1</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2009</Year><Month>6</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2009</Year><Month>7</Month><Day>2</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2009</Year><Month>7</Month><Day>8</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>7</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>7</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>1</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">S0304-3940(09)00912-4</ArticleId><ArticleId IdType="doi">10.1016/j.neulet.2009.07.005</ArticleId><ArticleId IdType="pubmed">19591896</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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