Visual influence on postural reactions to sudden antero-posterior support surface movements.
Identifieur interne : 001693 ( Main/Exploration ); précédent : 001692; suivant : 001694Visual influence on postural reactions to sudden antero-posterior support surface movements.
Auteurs : T. Ledin [Suède] ; L M OdkvistSource :
- Acta oto-laryngologica [ 0001-6489 ] ; 1991.
Descripteurs français
- KwdFr :
- MESH :
- physiologie : Posture, Vision.
- Adulte, Adulte d'âge moyen, Barorécepteurs, Humains, Mouvement, Mâle, Ordinateurs, Stimulation physique, Équilibre postural.
English descriptors
- KwdEn :
- MESH :
- physiology : Posture, Vision, Ocular.
- Adult, Computers, Humans, Male, Middle Aged, Movement, Physical Stimulation, Postural Balance, Pressoreceptors.
Abstract
Visual influence on force reactions to sudden antero-posterior (AP) translations of the support surface in 10 healthy men 23-58 years old (mean 36 years) were studied. Displacements ranged between 13 and 127 mm in both backwards and forwards directions. The experiment was conducted using a modified EquiTest dynamic posturography apparatus. An interactive menu-driven software enabled selection of a suitable translation pattern (i.e. square wave) in the AP direction. Data from four vertical force transducers were acquired and the position of centre of pressure (CP) in the AP direction was computed as function of time. The movement of CP in response to AP translation was characterized by the amplitude of the maximum CP displacement relative to the platform and the latency until maximum CP displacement occurred. The experiment unveiled that the latency to maximum CP displacement was larger for conditions with vision present. Furthermore, both the amplitude and latency to maximum CP deflection were increasing functions of translation amplitude. It is proposed that visual feedback influences the neural control on the postural reactions to sudden support surface translations. Absence of visual cues seems to cause a more rapid correction of the body position.
DOI: 10.3109/00016489109138416
PubMed: 1759565
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Ledin</name><affiliation wicri:level="1"><nlm:affiliation>Department of ENT, University Hospital, Linköping, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of ENT, University Hospital, Linköping</wicri:regionArea><wicri:noRegion>Linköping</wicri:noRegion></affiliation></author><author><name sortKey="Odkvist, L M" sort="Odkvist, L M" uniqKey="Odkvist L" first="L M" last="Odkvist">L M Odkvist</name></author></analytic><series><title level="j">Acta oto-laryngologica</title><idno type="ISSN">0001-6489</idno><imprint><date when="1991" type="published">1991</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult (MeSH)</term><term>Computers (MeSH)</term><term>Humans (MeSH)</term><term>Male (MeSH)</term><term>Middle Aged (MeSH)</term><term>Movement (MeSH)</term><term>Physical Stimulation (MeSH)</term><term>Postural Balance (MeSH)</term><term>Posture (physiology)</term><term>Pressoreceptors (MeSH)</term><term>Vision, Ocular (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte (MeSH)</term><term>Adulte d'âge moyen (MeSH)</term><term>Barorécepteurs (MeSH)</term><term>Humains (MeSH)</term><term>Mouvement (MeSH)</term><term>Mâle (MeSH)</term><term>Ordinateurs (MeSH)</term><term>Posture (physiologie)</term><term>Stimulation physique (MeSH)</term><term>Vision (physiologie)</term><term>Équilibre postural (MeSH)</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Posture</term><term>Vision</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Posture</term><term>Vision, Ocular</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Computers</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Movement</term><term>Physical Stimulation</term><term>Postural Balance</term><term>Pressoreceptors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Barorécepteurs</term><term>Humains</term><term>Mouvement</term><term>Mâle</term><term>Ordinateurs</term><term>Stimulation physique</term><term>Équilibre postural</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Visual influence on force reactions to sudden antero-posterior (AP) translations of the support surface in 10 healthy men 23-58 years old (mean 36 years) were studied. Displacements ranged between 13 and 127 mm in both backwards and forwards directions. The experiment was conducted using a modified EquiTest dynamic posturography apparatus. An interactive menu-driven software enabled selection of a suitable translation pattern (i.e. square wave) in the AP direction. Data from four vertical force transducers were acquired and the position of centre of pressure (CP) in the AP direction was computed as function of time. The movement of CP in response to AP translation was characterized by the amplitude of the maximum CP displacement relative to the platform and the latency until maximum CP displacement occurred. The experiment unveiled that the latency to maximum CP displacement was larger for conditions with vision present. Furthermore, both the amplitude and latency to maximum CP deflection were increasing functions of translation amplitude. It is proposed that visual feedback influences the neural control on the postural reactions to sudden support surface translations. Absence of visual cues seems to cause a more rapid correction of the body position.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">1759565</PMID><DateCompleted><Year>1992</Year><Month>02</Month><Day>03</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0001-6489</ISSN><JournalIssue CitedMedium="Print"><Volume>111</Volume><Issue>5</Issue><PubDate><Year>1991</Year></PubDate></JournalIssue><Title>Acta oto-laryngologica</Title><ISOAbbreviation>Acta Otolaryngol</ISOAbbreviation></Journal><ArticleTitle>Visual influence on postural reactions to sudden antero-posterior support surface movements.</ArticleTitle><Pagination><MedlinePgn>813-9</MedlinePgn></Pagination><Abstract><AbstractText>Visual influence on force reactions to sudden antero-posterior (AP) translations of the support surface in 10 healthy men 23-58 years old (mean 36 years) were studied. Displacements ranged between 13 and 127 mm in both backwards and forwards directions. The experiment was conducted using a modified EquiTest dynamic posturography apparatus. An interactive menu-driven software enabled selection of a suitable translation pattern (i.e. square wave) in the AP direction. Data from four vertical force transducers were acquired and the position of centre of pressure (CP) in the AP direction was computed as function of time. The movement of CP in response to AP translation was characterized by the amplitude of the maximum CP displacement relative to the platform and the latency until maximum CP displacement occurred. The experiment unveiled that the latency to maximum CP displacement was larger for conditions with vision present. Furthermore, both the amplitude and latency to maximum CP deflection were increasing functions of translation amplitude. It is proposed that visual feedback influences the neural control on the postural reactions to sudden support surface translations. Absence of visual cues seems to cause a more rapid correction of the body position.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ledin</LastName><ForeName>T</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Department of ENT, University Hospital, Linköping, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Odkvist</LastName><ForeName>L M</ForeName><Initials>LM</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></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Acta Otolaryngol</MedlineTA><NlmUniqueID>0370354</NlmUniqueID><ISSNLinking>0001-6489</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CitationSubset>S</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003201" MajorTopicYN="N">Computers</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009068" MajorTopicYN="N">Movement</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010812" MajorTopicYN="N">Physical Stimulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004856" MajorTopicYN="Y">Postural Balance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011187" MajorTopicYN="N">Posture</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011311" MajorTopicYN="N">Pressoreceptors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014785" MajorTopicYN="N">Vision, Ocular</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1991</Year><Month>1</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1991</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1991</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">1759565</ArticleId><ArticleId IdType="doi">10.3109/00016489109138416</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Suède</li></country></list><tree><noCountry><name sortKey="Odkvist, L M" sort="Odkvist, L M" uniqKey="Odkvist L" first="L M" last="Odkvist">L M Odkvist</name></noCountry><country name="Suède"><noRegion><name sortKey="Ledin, T" sort="Ledin, T" uniqKey="Ledin T" first="T" last="Ledin">T. 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