Motor commands in children interfere with their haptic perception of objects.
Identifieur interne : 002288 ( Ncbi/Merge ); précédent : 002287; suivant : 002289Motor commands in children interfere with their haptic perception of objects.
Auteurs : Monica Gori [Italie] ; Valentina Squeri ; Alessandra Sciutti ; Lorenzo Masia ; Giulio Sandini ; Jürgen KonczakSource :
- Experimental brain research [ 1432-1106 ] ; 2012.
English descriptors
- KwdEn :
- Adolescent, Adult, Aging (physiology), Aging (psychology), Algorithms, Child, Exploratory Behavior (physiology), Feedback, Female, Form Perception (physiology), Functional Laterality (physiology), Humans, Male, Psychomotor Performance (physiology), Robotics, User-Computer Interface, Visual Perception (physiology).
- MESH :
- physiology : Aging, Exploratory Behavior, Form Perception, Functional Laterality, Psychomotor Performance, Visual Perception.
- psychology : Aging.
- Adolescent, Adult, Algorithms, Child, Feedback, Female, Humans, Male, Robotics, User-Computer Interface.
Abstract
Neural processes of sensory-motor- and motor-sensory integration link perception and action, forming the basis for human interaction with the environment. Haptic perception, the ability to extract object features through action, is based on these processes. To study the development of motor-sensory integration, children judged the curvature of virtual objects after exploring them actively or while guided passively by a robot. Haptic acuity reached adult levels only at early adolescence. Unlike in adults, haptic precision in children was consistently lower during active exploration when compared to passive motion. Thus, the exploratory movements themselves constitute a form of noise for the developing haptic system that younger brains cannot compensate until mid-adolescence. Computationally, this is consistent with a noisy efference copy mechanism producing imprecise predicted sensory feedback, which compromises haptic precision in children, while the mature mechanism aids the adult brain to account for the effect of self-generated motion on perception.
DOI: 10.1007/s00221-012-3248-8
PubMed: 23064882
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Haptic perception, the ability to extract object features through action, is based on these processes. To study the development of motor-sensory integration, children judged the curvature of virtual objects after exploring them actively or while guided passively by a robot. Haptic acuity reached adult levels only at early adolescence. Unlike in adults, haptic precision in children was consistently lower during active exploration when compared to passive motion. Thus, the exploratory movements themselves constitute a form of noise for the developing haptic system that younger brains cannot compensate until mid-adolescence. Computationally, this is consistent with a noisy efference copy mechanism producing imprecise predicted sensory feedback, which compromises haptic precision in children, while the mature mechanism aids the adult brain to account for the effect of self-generated motion on perception.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">23064882</PMID><DateCreated><Year>2012</Year><Month>10</Month><Day>15</Day></DateCreated><DateCompleted><Year>2013</Year><Month>03</Month><Day>25</Day></DateCompleted><DateRevised><Year>2013</Year><Month>12</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1106</ISSN><JournalIssue CitedMedium="Internet"><Volume>223</Volume><Issue>1</Issue><PubDate><Year>2012</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Experimental brain research</Title><ISOAbbreviation>Exp Brain Res</ISOAbbreviation></Journal><ArticleTitle>Motor commands in children interfere with their haptic perception of objects.</ArticleTitle><Pagination><MedlinePgn>149-57</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00221-012-3248-8</ELocationID><Abstract><AbstractText>Neural processes of sensory-motor- and motor-sensory integration link perception and action, forming the basis for human interaction with the environment. Haptic perception, the ability to extract object features through action, is based on these processes. To study the development of motor-sensory integration, children judged the curvature of virtual objects after exploring them actively or while guided passively by a robot. Haptic acuity reached adult levels only at early adolescence. Unlike in adults, haptic precision in children was consistently lower during active exploration when compared to passive motion. Thus, the exploratory movements themselves constitute a form of noise for the developing haptic system that younger brains cannot compensate until mid-adolescence. Computationally, this is consistent with a noisy efference copy mechanism producing imprecise predicted sensory feedback, which compromises haptic precision in children, while the mature mechanism aids the adult brain to account for the effect of self-generated motion on perception.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gori</LastName><ForeName>Monica</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Robotics, Brain and Cognitive Sciences, Istituto Italiano di Tecnologia, Genova, Italy. monica.gori@iit.it</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Squeri</LastName><ForeName>Valentina</ForeName><Initials>V</Initials></Author><Author ValidYN="Y"><LastName>Sciutti</LastName><ForeName>Alessandra</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Masia</LastName><ForeName>Lorenzo</ForeName><Initials>L</Initials></Author><Author 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sortKey="Masia, Lorenzo" sort="Masia, Lorenzo" uniqKey="Masia L" first="Lorenzo" last="Masia">Lorenzo Masia</name><name sortKey="Sandini, Giulio" sort="Sandini, Giulio" uniqKey="Sandini G" first="Giulio" last="Sandini">Giulio Sandini</name><name sortKey="Sciutti, Alessandra" sort="Sciutti, Alessandra" uniqKey="Sciutti A" first="Alessandra" last="Sciutti">Alessandra Sciutti</name><name sortKey="Squeri, Valentina" sort="Squeri, Valentina" uniqKey="Squeri V" first="Valentina" last="Squeri">Valentina Squeri</name></noCountry><country name="Italie"><noRegion><name sortKey="Gori, Monica" sort="Gori, Monica" uniqKey="Gori M" first="Monica" last="Gori">Monica Gori</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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