Haptic perception of force magnitude and its relation to postural arm dynamics in 3D
Identifieur interne : 003E19 ( Ncbi/Merge ); précédent : 003E18; suivant : 003E20Haptic perception of force magnitude and its relation to postural arm dynamics in 3D
Auteurs : Femke E. Van Beek [Pays-Bas] ; Wouter M. Bergmann Tiest [Pays-Bas] ; Winfred Mugge [Pays-Bas] ; Astrid M. L. Kappers [Pays-Bas]Source :
- Scientific Reports [ 2045-2322 ] ; 2015.
Abstract
In a previous study, we found the perception of force magnitude to be anisotropic in the horizontal plane. In the current study, we investigated this anisotropy in three dimensional space. In addition, we tested our previous hypothesis that the perceptual anisotropy was directly related to anisotropies in arm dynamics. In experiment 1, static force magnitude perception was studied using a free magnitude estimation paradigm. This experiment revealed a significant and consistent anisotropy in force magnitude perception, with forces exerted perpendicular to the line between hand and shoulder being perceived as 50% larger than forces exerted along this line. In experiment 2, postural arm dynamics were measured using stochastic position perturbations exerted by a haptic device and quantified through system identification. By fitting a mass-damper-spring model to the data, the stiffness, damping and inertia parameters could be characterized in all the directions in which perception was also measured. These results show that none of the arm dynamics parameters were oriented either exactly perpendicular or parallel to the perceptual anisotropy. This means that endpoint stiffness, damping or inertia alone cannot explain the consistent anisotropy in force magnitude perception.
Url:
DOI: 10.1038/srep18004
PubMed: 26643041
PubMed Central: 4672288
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<front><div type="abstract" xml:lang="en"><p>In a previous study, we found the perception of force magnitude to be anisotropic in the horizontal plane. In the current study, we investigated this anisotropy in three dimensional space. In addition, we tested our previous hypothesis that the perceptual anisotropy was directly related to anisotropies in arm dynamics. In experiment 1, static force magnitude perception was studied using a free magnitude estimation paradigm. This experiment revealed a significant and consistent anisotropy in force magnitude perception, with forces exerted perpendicular to the line between hand and shoulder being perceived as 50% larger than forces exerted along this line. In experiment 2, postural arm dynamics were measured using stochastic position perturbations exerted by a haptic device and quantified through system identification. By fitting a mass-damper-spring model to the data, the stiffness, damping and inertia parameters could be characterized in all the directions in which perception was also measured. These results show that none of the arm dynamics parameters were oriented either exactly perpendicular or parallel to the perceptual anisotropy. This means that endpoint stiffness, damping or inertia alone cannot explain the consistent anisotropy in force magnitude perception.</p>
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<double pmid="26643041"><pmc><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Haptic perception of force magnitude and its relation to postural arm dynamics in 3D</title>
<author><name sortKey="Van Beek, Femke E" sort="Van Beek, Femke E" uniqKey="Van Beek F" first="Femke E." last="Van Beek">Femke E. Van Beek</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Bergmann Tiest, Wouter M" sort="Bergmann Tiest, Wouter M" uniqKey="Bergmann Tiest W" first="Wouter M." last="Bergmann Tiest">Wouter M. Bergmann Tiest</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Mugge, Winfred" sort="Mugge, Winfred" uniqKey="Mugge W" first="Winfred" last="Mugge">Winfred Mugge</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M. L." last="Kappers">Astrid M. L. Kappers</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PMC</idno>
<idno type="pmid">26643041</idno>
<idno type="pmc">4672288</idno>
<idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4672288</idno>
<idno type="RBID">PMC:4672288</idno>
<idno type="doi">10.1038/srep18004</idno>
<date when="2015">2015</date>
<idno type="wicri:Area/Pmc/Corpus">000644</idno>
<idno type="wicri:Area/Pmc/Curation">000644</idno>
<idno type="wicri:Area/Pmc/Checkpoint">000554</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Haptic perception of force magnitude and its relation to postural arm dynamics in 3D</title>
<author><name sortKey="Van Beek, Femke E" sort="Van Beek, Femke E" uniqKey="Van Beek F" first="Femke E." last="Van Beek">Femke E. Van Beek</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Bergmann Tiest, Wouter M" sort="Bergmann Tiest, Wouter M" uniqKey="Bergmann Tiest W" first="Wouter M." last="Bergmann Tiest">Wouter M. Bergmann Tiest</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Mugge, Winfred" sort="Mugge, Winfred" uniqKey="Mugge W" first="Winfred" last="Mugge">Winfred Mugge</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M. L." last="Kappers">Astrid M. L. Kappers</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</institution>
,<country>The Netherlands</country>
</nlm:aff>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
</analytic>
<series><title level="j">Scientific Reports</title>
<idno type="eISSN">2045-2322</idno>
<imprint><date when="2015">2015</date>
</imprint>
</series>
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</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
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<front><div type="abstract" xml:lang="en"><p>In a previous study, we found the perception of force magnitude to be anisotropic in the horizontal plane. In the current study, we investigated this anisotropy in three dimensional space. In addition, we tested our previous hypothesis that the perceptual anisotropy was directly related to anisotropies in arm dynamics. In experiment 1, static force magnitude perception was studied using a free magnitude estimation paradigm. This experiment revealed a significant and consistent anisotropy in force magnitude perception, with forces exerted perpendicular to the line between hand and shoulder being perceived as 50% larger than forces exerted along this line. In experiment 2, postural arm dynamics were measured using stochastic position perturbations exerted by a haptic device and quantified through system identification. By fitting a mass-damper-spring model to the data, the stiffness, damping and inertia parameters could be characterized in all the directions in which perception was also measured. These results show that none of the arm dynamics parameters were oriented either exactly perpendicular or parallel to the perceptual anisotropy. This means that endpoint stiffness, damping or inertia alone cannot explain the consistent anisotropy in force magnitude perception.</p>
</div>
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<pubmed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Haptic perception of force magnitude and its relation to postural arm dynamics in 3D.</title>
<author><name sortKey="Van Beek, Femke E" sort="Van Beek, Femke E" uniqKey="Van Beek F" first="Femke E" last="Van Beek">Femke E. Van Beek</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bergmann Tiest, Wouter M" sort="Bergmann Tiest, Wouter M" uniqKey="Bergmann Tiest W" first="Wouter M" last="Bergmann Tiest">Wouter M. Bergmann Tiest</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Mugge, Winfred" sort="Mugge, Winfred" uniqKey="Mugge W" first="Winfred" last="Mugge">Winfred Mugge</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. Kappers</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
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<date when="2015">2015</date>
<idno type="doi">10.1038/srep18004</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Haptic perception of force magnitude and its relation to postural arm dynamics in 3D.</title>
<author><name sortKey="Van Beek, Femke E" sort="Van Beek, Femke E" uniqKey="Van Beek F" first="Femke E" last="Van Beek">Femke E. Van Beek</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bergmann Tiest, Wouter M" sort="Bergmann Tiest, Wouter M" uniqKey="Bergmann Tiest W" first="Wouter M" last="Bergmann Tiest">Wouter M. Bergmann Tiest</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Mugge, Winfred" sort="Mugge, Winfred" uniqKey="Mugge W" first="Winfred" last="Mugge">Winfred Mugge</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. Kappers</name>
<affiliation wicri:level="1"><nlm:affiliation>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam, The Netherlands.</nlm:affiliation>
<country xml:lang="fr">Pays-Bas</country>
<wicri:regionArea>MOVE Research Institute, Department of Human Movement Sciences, VU University Amsterdam</wicri:regionArea>
<wicri:noRegion>VU University Amsterdam</wicri:noRegion>
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<series><title level="j">Scientific reports</title>
<idno type="eISSN">2045-2322</idno>
<imprint><date when="2015" type="published">2015</date>
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<front><div type="abstract" xml:lang="en">In a previous study, we found the perception of force magnitude to be anisotropic in the horizontal plane. In the current study, we investigated this anisotropy in three dimensional space. In addition, we tested our previous hypothesis that the perceptual anisotropy was directly related to anisotropies in arm dynamics. In experiment 1, static force magnitude perception was studied using a free magnitude estimation paradigm. This experiment revealed a significant and consistent anisotropy in force magnitude perception, with forces exerted perpendicular to the line between hand and shoulder being perceived as 50% larger than forces exerted along this line. In experiment 2, postural arm dynamics were measured using stochastic position perturbations exerted by a haptic device and quantified through system identification. By fitting a mass-damper-spring model to the data, the stiffness, damping and inertia parameters could be characterized in all the directions in which perception was also measured. These results show that none of the arm dynamics parameters were oriented either exactly perpendicular or parallel to the perceptual anisotropy. This means that endpoint stiffness, damping or inertia alone cannot explain the consistent anisotropy in force magnitude perception.</div>
</front>
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