The role of haptic information in shaping coordination dynamics: Inertial frame of reference hypothesis
Identifieur interne : 002701 ( Main/Exploration ); précédent : 002700; suivant : 002702The role of haptic information in shaping coordination dynamics: Inertial frame of reference hypothesis
Auteurs : Paula L. Silva [États-Unis] ; Michael T. Turvey [États-Unis]Source :
- Human movement science [ 0167-9457 ] ; 2012.
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- Pascal (Inist)
- Wicri :
- topic : Homme.
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Abstract
Current research suggests that non-visual perception of the spatial orientation of body segments is tied to vectors representative of their mass moment distribution (vmm). Our question was whether the relative orientation of vmm of right and left hands (Δvmm = vmm left - vmm right) constitutes haptic information supporting bimanual coordination and, if so, how it contributes to coordination dynamics. Blindfolded participants coordinated the motions of a pair of cross-shaped, hand-held pendulums that were either symmetrically loaded (Δvmm = 0) or asymmetrically loaded (Δvmm ¬= 0). The sign and magnitude of Δvmm, in particular of the first moment vector, systematically affected the pattern of coordination (indexed by mean relative phase φ), but not its stability. These results suggest that (1) Δvmm specifies a frame of reference about which coordination is organized; and (2) that the changes in pattern were a function of the experimentally induced biases in this perceptual frame of reference and not a function of a functional asymmetry akin to detuning. The implications of the findings to the understanding of perceptual regulation of interlimb coordination were discussed.
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Turvey</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>University of Connecticut, Department of Psychology, Center for the Ecological Study of Perception and Action, 406 Babbidge Road, Unit 1020</s1><s2>Storrs, CT 06269-1020</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Connecticut</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">13-0039871</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 13-0039871 INIST</idno><idno type="RBID">Pascal:13-0039871</idno><idno type="wicri:Area/PascalFrancis/Corpus">000232</idno><idno type="wicri:Area/PascalFrancis/Curation">001067</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000188</idno><idno type="wicri:doubleKey">0167-9457:2012:Silva P:the:role:of</idno><idno type="wicri:Area/Main/Merge">002729</idno><idno type="wicri:Area/Main/Curation">002701</idno><idno type="wicri:Area/Main/Exploration">002701</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The role of haptic information in shaping coordination dynamics: Inertial frame of reference hypothesis</title><author><name sortKey="Silva, Paula L" sort="Silva, Paula L" uniqKey="Silva P" first="Paula L." last="Silva">Paula L. Silva</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>University of Connecticut, Department of Psychology, Center for the Ecological Study of Perception and Action, 406 Babbidge Road, Unit 1020</s1><s2>Storrs, CT 06269-1020</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Connecticut</region></placeName></affiliation></author><author><name sortKey="Turvey, Michael T" sort="Turvey, Michael T" uniqKey="Turvey M" first="Michael T." last="Turvey">Michael T. Turvey</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>University of Connecticut, Department of Psychology, Center for the Ecological Study of Perception and Action, 406 Babbidge Road, Unit 1020</s1><s2>Storrs, CT 06269-1020</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Connecticut</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Human movement science</title><title level="j" type="abbreviated">Hum. mov. sci.</title><idno type="ISSN">0167-9457</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Human movement science</title><title level="j" type="abbreviated">Hum. mov. sci.</title><idno type="ISSN">0167-9457</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coordination</term><term>Human</term><term>Proprioception</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Coordination</term><term>Proprioception</term><term>Homme</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Current research suggests that non-visual perception of the spatial orientation of body segments is tied to vectors representative of their mass moment distribution (v<sub>mm</sub>). Our question was whether the relative orientation of v<sub>mm</sub> of right and left hands (Δv<sub>mm</sub> = v<sub>mm</sub> left - v<sub>mm</sub> right) constitutes haptic information supporting bimanual coordination and, if so, how it contributes to coordination dynamics. Blindfolded participants coordinated the motions of a pair of cross-shaped, hand-held pendulums that were either symmetrically loaded (Δv<sub>mm</sub> = 0) or asymmetrically loaded (Δv<sub>mm</sub> ¬= 0). The sign and magnitude of Δv<sub>mm</sub>, in particular of the first moment vector, systematically affected the pattern of coordination (indexed by mean relative phase φ), but not its stability. These results suggest that (1) Δv<sub>mm</sub> specifies a frame of reference about which coordination is organized; and (2) that the changes in pattern were a function of the experimentally induced biases in this perceptual frame of reference and not a function of a functional asymmetry akin to detuning. The implications of the findings to the understanding of perceptual regulation of interlimb coordination were discussed.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Connecticut</li></region></list><tree><country name="États-Unis"><region name="Connecticut"><name sortKey="Silva, Paula L" sort="Silva, Paula L" uniqKey="Silva P" first="Paula L." last="Silva">Paula L. Silva</name></region><name sortKey="Turvey, Michael T" sort="Turvey, Michael T" uniqKey="Turvey M" first="Michael T." last="Turvey">Michael T. Turvey</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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