Interpersonal synergies: static prehension tasks performed by two actors.
Identifieur interne : 004124 ( Ncbi/Merge ); précédent : 004123; suivant : 004125Interpersonal synergies: static prehension tasks performed by two actors.
Auteurs : Stanislaw Solnik [États-Unis] ; Sasha Reschechtko [États-Unis] ; Yen-Hsun Wu [États-Unis] ; Vladimir M. Zatsiorsky [États-Unis] ; Mark L. Latash [États-Unis]Source :
- Experimental brain research [ 1432-1106 ] ; 2016.
Abstract
We investigated multidigit synergies stabilizing components of the resultant force vector during joint performance of a static prehension task by two persons as compared to similar tasks performed by a single person using both hands. Subjects transferred the instrumented handle from the right hand to the left hand (one-person condition) or passed that handle to another person (two-person condition) while keeping the handle's position and orientation stationary. Only three digits were involved per hand, the thumb, the index finger, and the middle finger; the forces and moments produced by the digits were measured by six-component sensors. We estimated the performance-stabilizing synergies within the uncontrolled manifold framework by quantifying the intertrial variance structure of digit forces and moments. The analysis was performed at three levels: between hands, between virtual finger and virtual thumb (imagined digits producing the same mechanical variables as the corresponding actual digits combined) produced by the two hands (in both interpersonal and intrapersonal conditions), and between the thumb and virtual finger for one hand only. Additionally, we performed correlation and phase synchronization analyses of resultant tangential forces and internal normal forces. Overall, the one-person conditions were characterized by higher amount of intertrial variance that did not affect resultant normal force components, higher internal components of normal forces, and stronger synchronization of the normal forces generated by the hands. Our observations suggest that in two-person tasks, when participants try to achieve a common mechanical outcome, the performance-stabilizing synergies depend on non-visual information exchange, possibly via the haptic and proprioceptive systems. Therefore, synergies quantified in tasks using visual feedback only may not be generalizable to more natural tasks.
DOI: 10.1007/s00221-016-4632-6
PubMed: 27021074
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Zatsiorsky</name><affiliation wicri:level="4"><nlm:affiliation>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802</wicri:regionArea><orgName type="university">Université d'État de Pennsylvanie</orgName><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Latash, Mark L" sort="Latash, Mark L" uniqKey="Latash M" first="Mark L" last="Latash">Mark L. Latash</name><affiliation wicri:level="4"><nlm:affiliation>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, USA. mll11@psu.edu.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802</wicri:regionArea><orgName type="university">Université d'État de Pennsylvanie</orgName><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author></analytic><series><title level="j">Experimental brain research</title><idno type="eISSN">1432-1106</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated multidigit synergies stabilizing components of the resultant force vector during joint performance of a static prehension task by two persons as compared to similar tasks performed by a single person using both hands. Subjects transferred the instrumented handle from the right hand to the left hand (one-person condition) or passed that handle to another person (two-person condition) while keeping the handle's position and orientation stationary. Only three digits were involved per hand, the thumb, the index finger, and the middle finger; the forces and moments produced by the digits were measured by six-component sensors. We estimated the performance-stabilizing synergies within the uncontrolled manifold framework by quantifying the intertrial variance structure of digit forces and moments. The analysis was performed at three levels: between hands, between virtual finger and virtual thumb (imagined digits producing the same mechanical variables as the corresponding actual digits combined) produced by the two hands (in both interpersonal and intrapersonal conditions), and between the thumb and virtual finger for one hand only. Additionally, we performed correlation and phase synchronization analyses of resultant tangential forces and internal normal forces. Overall, the one-person conditions were characterized by higher amount of intertrial variance that did not affect resultant normal force components, higher internal components of normal forces, and stronger synchronization of the normal forces generated by the hands. Our observations suggest that in two-person tasks, when participants try to achieve a common mechanical outcome, the performance-stabilizing synergies depend on non-visual information exchange, possibly via the haptic and proprioceptive systems. Therefore, synergies quantified in tasks using visual feedback only may not be generalizable to more natural tasks.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">27021074</PMID><DateCreated><Year>2016</Year><Month>3</Month><Day>29</Day></DateCreated><DateRevised><Year>2016</Year><Month>4</Month><Day>1</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1106</ISSN><JournalIssue CitedMedium="Internet"><PubDate><Year>2016</Year><Month>Mar</Month><Day>28</Day></PubDate></JournalIssue><Title>Experimental brain research</Title><ISOAbbreviation>Exp Brain Res</ISOAbbreviation></Journal><ArticleTitle>Interpersonal synergies: static prehension tasks performed by two actors.</ArticleTitle><Pagination><MedlinePgn></MedlinePgn></Pagination><Abstract><AbstractText NlmCategory="UNASSIGNED">We investigated multidigit synergies stabilizing components of the resultant force vector during joint performance of a static prehension task by two persons as compared to similar tasks performed by a single person using both hands. Subjects transferred the instrumented handle from the right hand to the left hand (one-person condition) or passed that handle to another person (two-person condition) while keeping the handle's position and orientation stationary. Only three digits were involved per hand, the thumb, the index finger, and the middle finger; the forces and moments produced by the digits were measured by six-component sensors. We estimated the performance-stabilizing synergies within the uncontrolled manifold framework by quantifying the intertrial variance structure of digit forces and moments. The analysis was performed at three levels: between hands, between virtual finger and virtual thumb (imagined digits producing the same mechanical variables as the corresponding actual digits combined) produced by the two hands (in both interpersonal and intrapersonal conditions), and between the thumb and virtual finger for one hand only. Additionally, we performed correlation and phase synchronization analyses of resultant tangential forces and internal normal forces. Overall, the one-person conditions were characterized by higher amount of intertrial variance that did not affect resultant normal force components, higher internal components of normal forces, and stronger synchronization of the normal forces generated by the hands. Our observations suggest that in two-person tasks, when participants try to achieve a common mechanical outcome, the performance-stabilizing synergies depend on non-visual information exchange, possibly via the haptic and proprioceptive systems. Therefore, synergies quantified in tasks using visual feedback only may not be generalizable to more natural tasks.</AbstractText></Abstract><AuthorList><Author><LastName>Solnik</LastName><ForeName>Stanislaw</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, USA.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>University School of Physical Education, Wrocław, Poland.</Affiliation></AffiliationInfo></Author><Author><LastName>Reschechtko</LastName><ForeName>Sasha</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, USA.</Affiliation></AffiliationInfo></Author><Author><LastName>Wu</LastName><ForeName>Yen-Hsun</ForeName><Initials>YH</Initials><AffiliationInfo><Affiliation>Rehabilitation Science Department, University of Hartford, Hartford, CT, USA.</Affiliation></AffiliationInfo></Author><Author><LastName>Zatsiorsky</LastName><ForeName>Vladimir M</ForeName><Initials>VM</Initials><AffiliationInfo><Affiliation>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, USA.</Affiliation></AffiliationInfo></Author><Author><LastName>Latash</LastName><ForeName>Mark L</ForeName><Initials>ML</Initials><AffiliationInfo><Affiliation>Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, USA. mll11@psu.edu.</Affiliation></AffiliationInfo></Author></AuthorList><Language>ENG</Language><GrantList><Grant><GrantID>R01 AR048563</GrantID><Acronym>AR</Acronym><Agency>NIAMS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>R01 NS035032</GrantID><Acronym>NS</Acronym><Agency>NINDS NIH HHS</Agency><Country>United States</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="">JOURNAL ARTICLE</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>3</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><MedlineTA>Exp Brain Res</MedlineTA><NlmUniqueID>0043312</NlmUniqueID><ISSNLinking>0014-4819</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Internal force</Keyword><Keyword MajorTopicYN="N">Interpersonal coordination</Keyword><Keyword MajorTopicYN="N">Prehension</Keyword><Keyword MajorTopicYN="N">Synergy</Keyword><Keyword MajorTopicYN="N">Uncontrolled manifold</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>1</Month><Day>8</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>3</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2016</Year><Month>3</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>3</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>aheadofprint</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1007/s00221-016-4632-6</ArticleId><ArticleId IdType="pii">10.1007/s00221-016-4632-6</ArticleId><ArticleId IdType="pubmed">27021074</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Connecticut</li><li>Pennsylvanie</li></region><settlement><li>University Park (Pennsylvanie)</li></settlement><orgName><li>Université d'État de Pennsylvanie</li></orgName></list><tree><country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Solnik, Stanislaw" sort="Solnik, Stanislaw" uniqKey="Solnik S" first="Stanislaw" last="Solnik">Stanislaw Solnik</name></region><name sortKey="Latash, Mark L" sort="Latash, Mark L" uniqKey="Latash M" first="Mark L" last="Latash">Mark L. Latash</name><name sortKey="Reschechtko, Sasha" sort="Reschechtko, Sasha" uniqKey="Reschechtko S" first="Sasha" last="Reschechtko">Sasha Reschechtko</name><name sortKey="Wu, Yen Hsun" sort="Wu, Yen Hsun" uniqKey="Wu Y" first="Yen-Hsun" last="Wu">Yen-Hsun Wu</name><name sortKey="Zatsiorsky, Vladimir M" sort="Zatsiorsky, Vladimir M" uniqKey="Zatsiorsky V" first="Vladimir M" last="Zatsiorsky">Vladimir M. Zatsiorsky</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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