Haptic perceptual intent in quiet standing affects multifractal scaling of postural fluctuations.
Identifieur interne : 000603 ( PubMed/Curation ); précédent : 000602; suivant : 000604Haptic perceptual intent in quiet standing affects multifractal scaling of postural fluctuations.
Auteurs : Zsolt Palatinus ; Damian G. Kelty-Stephen ; Jeffrey Kinsella-Shaw ; Claudia Carello ; Michael T. TurveySource :
- Journal of experimental psychology. Human perception and performance [ 1939-1277 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- physiology : Posture, Space Perception, Touch Perception.
- Adult, Fractals, Humans, Intention, Male, Young Adult.
Abstract
Research on dynamic touch has shown that when a rod strapped to the shoulders is wielded via axial rotations, flexions-extensions, and lateral bending of the trunk, participants can selectively perceive whole rod length and partial rod length (e.g., a leftward segment) with precision comparable to wielding by hand (Palatinus, Carello & Turvey, 2011). The present research addressed whether this haptic ability is preserved in quiet standing, when postural control is limited to center of pressure (COP) fluctuations at the mm/ms scale, and, if so, whether the intentions ("perceive partial," "perceive whole") are distinguishable within the fluctuations. Given standard manipulations of rod length and attached mass, participants provided significantly distinct, appropriately scaled, whole and partial estimates of rod length. COP displacement time series were subjected to multifractal, detrended fluctuation analysis. The resultant spectrum of fractal scaling exponents for gradually different-sized fluctuations revealed that "perceive partial" was manifest as larger exponents for progressively smaller fluctuations than "perceive whole." Our results indicate (a) that the significant mechanical variables for haptically perceiving object extent are available in the small scale of normal body sway, and (b) that these seemingly "passive" movements reflect the intention of the perceiver.
DOI: 10.1037/a0037247
PubMed: 24999615
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Zsolt Palatinus<affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation><affiliation><nlm:affiliation>Psychology Department, Grinnell College.</nlm:affiliation><wicri:noCountry code="subField">Grinnell College</wicri:noCountry></affiliation><affiliation><nlm:affiliation>Department of Kinesiology, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation><affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation><affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation>Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Haptic perceptual intent in quiet standing affects multifractal scaling of postural fluctuations.</title><author><name sortKey="Palatinus, Zsolt" sort="Palatinus, Zsolt" uniqKey="Palatinus Z" first="Zsolt" last="Palatinus">Zsolt Palatinus</name><affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation></author><author><name sortKey="Kelty Stephen, Damian G" sort="Kelty Stephen, Damian G" uniqKey="Kelty Stephen D" first="Damian G" last="Kelty-Stephen">Damian G. Kelty-Stephen</name><affiliation><nlm:affiliation>Psychology Department, Grinnell College.</nlm:affiliation><wicri:noCountry code="subField">Grinnell College</wicri:noCountry></affiliation></author><author><name sortKey="Kinsella Shaw, Jeffrey" sort="Kinsella Shaw, Jeffrey" uniqKey="Kinsella Shaw J" first="Jeffrey" last="Kinsella-Shaw">Jeffrey Kinsella-Shaw</name><affiliation><nlm:affiliation>Department of Kinesiology, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation></author><author><name sortKey="Carello, Claudia" sort="Carello, Claudia" uniqKey="Carello C" first="Claudia" last="Carello">Claudia Carello</name><affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></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><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="doi">10.1037/a0037247</idno><idno type="RBID">pubmed:24999615</idno><idno type="pmid">24999615</idno><idno type="wicri:Area/PubMed/Corpus">000603</idno><idno type="wicri:Area/PubMed/Curation">000603</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Haptic perceptual intent in quiet standing affects multifractal scaling of postural fluctuations.</title><author><name sortKey="Palatinus, Zsolt" sort="Palatinus, Zsolt" uniqKey="Palatinus Z" first="Zsolt" last="Palatinus">Zsolt Palatinus</name><affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation></author><author><name sortKey="Kelty Stephen, Damian G" sort="Kelty Stephen, Damian G" uniqKey="Kelty Stephen D" first="Damian G" last="Kelty-Stephen">Damian G. Kelty-Stephen</name><affiliation><nlm:affiliation>Psychology Department, Grinnell College.</nlm:affiliation><wicri:noCountry code="subField">Grinnell College</wicri:noCountry></affiliation></author><author><name sortKey="Kinsella Shaw, Jeffrey" sort="Kinsella Shaw, Jeffrey" uniqKey="Kinsella Shaw J" first="Jeffrey" last="Kinsella-Shaw">Jeffrey Kinsella-Shaw</name><affiliation><nlm:affiliation>Department of Kinesiology, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation></author><author><name sortKey="Carello, Claudia" sort="Carello, Claudia" uniqKey="Carello C" first="Claudia" last="Carello">Claudia Carello</name><affiliation><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></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><nlm:affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</nlm:affiliation><wicri:noCountry code="subField">University of Connecticut</wicri:noCountry></affiliation></author></analytic><series><title level="j">Journal of experimental psychology. Human perception and performance</title><idno type="eISSN">1939-1277</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Fractals</term><term>Humans</term><term>Intention</term><term>Male</term><term>Posture (physiology)</term><term>Space Perception (physiology)</term><term>Touch Perception (physiology)</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Posture</term><term>Space Perception</term><term>Touch Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Fractals</term><term>Humans</term><term>Intention</term><term>Male</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Research on dynamic touch has shown that when a rod strapped to the shoulders is wielded via axial rotations, flexions-extensions, and lateral bending of the trunk, participants can selectively perceive whole rod length and partial rod length (e.g., a leftward segment) with precision comparable to wielding by hand (Palatinus, Carello & Turvey, 2011). The present research addressed whether this haptic ability is preserved in quiet standing, when postural control is limited to center of pressure (COP) fluctuations at the mm/ms scale, and, if so, whether the intentions ("perceive partial," "perceive whole") are distinguishable within the fluctuations. Given standard manipulations of rod length and attached mass, participants provided significantly distinct, appropriately scaled, whole and partial estimates of rod length. COP displacement time series were subjected to multifractal, detrended fluctuation analysis. The resultant spectrum of fractal scaling exponents for gradually different-sized fluctuations revealed that "perceive partial" was manifest as larger exponents for progressively smaller fluctuations than "perceive whole." Our results indicate (a) that the significant mechanical variables for haptically perceiving object extent are available in the small scale of normal body sway, and (b) that these seemingly "passive" movements reflect the intention of the perceiver.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">24999615</PMID><DateCreated><Year>2014</Year><Month>09</Month><Day>23</Day></DateCreated><DateCompleted><Year>2015</Year><Month>06</Month><Day>08</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1939-1277</ISSN><JournalIssue CitedMedium="Internet"><Volume>40</Volume><Issue>5</Issue><PubDate><Year>2014</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Journal of experimental psychology. Human perception and performance</Title><ISOAbbreviation>J Exp Psychol Hum Percept Perform</ISOAbbreviation></Journal><ArticleTitle>Haptic perceptual intent in quiet standing affects multifractal scaling of postural fluctuations.</ArticleTitle><Pagination><MedlinePgn>1808-18</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1037/a0037247</ELocationID><Abstract><AbstractText>Research on dynamic touch has shown that when a rod strapped to the shoulders is wielded via axial rotations, flexions-extensions, and lateral bending of the trunk, participants can selectively perceive whole rod length and partial rod length (e.g., a leftward segment) with precision comparable to wielding by hand (Palatinus, Carello & Turvey, 2011). The present research addressed whether this haptic ability is preserved in quiet standing, when postural control is limited to center of pressure (COP) fluctuations at the mm/ms scale, and, if so, whether the intentions ("perceive partial," "perceive whole") are distinguishable within the fluctuations. Given standard manipulations of rod length and attached mass, participants provided significantly distinct, appropriately scaled, whole and partial estimates of rod length. COP displacement time series were subjected to multifractal, detrended fluctuation analysis. The resultant spectrum of fractal scaling exponents for gradually different-sized fluctuations revealed that "perceive partial" was manifest as larger exponents for progressively smaller fluctuations than "perceive whole." Our results indicate (a) that the significant mechanical variables for haptically perceiving object extent are available in the small scale of normal body sway, and (b) that these seemingly "passive" movements reflect the intention of the perceiver.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Palatinus</LastName><ForeName>Zsolt</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kelty-Stephen</LastName><ForeName>Damian G</ForeName><Initials>DG</Initials><AffiliationInfo><Affiliation>Psychology Department, Grinnell College.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kinsella-Shaw</LastName><ForeName>Jeffrey</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Kinesiology, University of Connecticut.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Carello</LastName><ForeName>Claudia</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Turvey</LastName><ForeName>Michael T</ForeName><Initials>MT</Initials><AffiliationInfo><Affiliation>Center for the Ecological Study of Perception and Action, University of Connecticut.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>07</Month><Day>07</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Exp Psychol Hum Percept Perform</MedlineTA><NlmUniqueID>7502589</NlmUniqueID><ISSNLinking>0096-1523</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D017709">Fractals</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D033182">Intention</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011187">Posture</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013028">Space Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055698">Touch Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055815">Young Adult</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="aheadofprint"><Year>2014</Year><Month>7</Month><Day>7</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>7</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>7</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>6</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">2014-27832-001</ArticleId><ArticleId IdType="doi">10.1037/a0037247</ArticleId><ArticleId IdType="pubmed">24999615</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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