The Influence of Prior Knowledge on Perception and Action: Relationships to Autistic Traits
Identifieur interne : 000051 ( Main/Exploration ); précédent : 000050; suivant : 000052The Influence of Prior Knowledge on Perception and Action: Relationships to Autistic Traits
Auteurs : Gavin Buckingham ; Elizabeth Evgenia Michelakakis ; Gnanathusharan RajendranSource :
- Journal of Autism and Developmental Disorders [ 0162-3257 ] ; 2016.
Abstract
Autism is characterised by a range of perceptual and sensorimotor deficits, which might be related to abnormalities in how autistic individuals use prior knowledge. We investigated this proposition in a large non-clinical population in the context of the size-weight illusion, where individual’s expectations about object weight influence their perceptions of heaviness and fingertip forces. Although there was no relationship between autistic traits and the magnitude of the illusion, we observed an inverse relationship between AQ scores and how expectations influenced initial fingertip force application. These findings provide a novel dissociation between how perceptual and sensorimotor processes are related to autistic traits, and suggest that, autistic traits might explain some of the variance surrounding how individuals grip and lift objects.
Url:
DOI: 10.1007/s10803-016-2701-0
PubMed: 26820631
PubMed Central: 4826416
Affiliations:
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We investigated this proposition in a large non-clinical population in the context of the size-weight illusion, where individual’s expectations about object weight influence their perceptions of heaviness and fingertip forces. Although there was no relationship between autistic traits and the magnitude of the illusion, we observed an inverse relationship between AQ scores and how expectations influenced initial fingertip force application. These findings provide a novel dissociation between how perceptual and sensorimotor processes are related to autistic traits, and suggest that, autistic traits might explain some of the variance surrounding how individuals grip and lift objects.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Amazeen, El" uniqKey="Amazeen E">EL Amazeen</name></author><author><name sortKey="Turvey, M" uniqKey="Turvey M">M Turvey</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Baron Cohen, S" uniqKey="Baron Cohen S">S Baron-Cohen</name></author><author><name sortKey="Leslie, Am" uniqKey="Leslie A">AM Leslie</name></author><author><name sortKey="Frith, U" uniqKey="Frith U">U Frith</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Baron Cohen, S" uniqKey="Baron Cohen S">S Baron-Cohen</name></author><author><name sortKey="Wheelwright, S" uniqKey="Wheelwright S">S 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sort="Michelakakis, Elizabeth Evgenia" uniqKey="Michelakakis E" first="Elizabeth Evgenia" last="Michelakakis">Elizabeth Evgenia Michelakakis</name><name sortKey="Rajendran, Gnanathusharan" sort="Rajendran, Gnanathusharan" uniqKey="Rajendran G" first="Gnanathusharan" last="Rajendran">Gnanathusharan Rajendran</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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