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Intention Perception in High Functioning People with Autism Spectrum Disorders Using Animacy Displays Derived from Human Actions / Phil MCALEER in Journal of Autism and Developmental Disorders, 41-8 (August 2011)
[article]
Titre : Intention Perception in High Functioning People with Autism Spectrum Disorders Using Animacy Displays Derived from Human Actions Type de document : Texte imprimé et/ou numérique Auteurs : Phil MCALEER, Auteur ; Jim W. KAY, Auteur ; Frank E. POLLICK, Auteur ; Melissa D. RUTHERFORD, Auteur Année de publication : 2011 Article en page(s) : p.1053-1063 Langues : Anglais (eng) Mots-clés : Autism Intention Perception Animacy Index. décimale : PER Périodiques Résumé : The perception of intent in Autism Spectrum Disorders (ASD) often relies on synthetic animacy displays. This study tests intention perception in ASD via animacy stimuli derived from human motion. Using a forced choice task, 28 participants (14 ASDs; 14 age and verbal-I.Q. matched controls) categorized displays of Chasing, Fighting, Flirting, Following, Guarding and Playing, from two viewpoints (side, overhead) in both animacy and full video displays. Detailed analysis revealed no differences between populations in accuracy, or response patterns. Collapsing across groups revealed Following and Video displays to be most accurately perceived. The stimuli and intentions used are compared to those of previous studies, and the implication of our results on the understanding of Theory of Mind in ASD is discussed. En ligne : http://dx.doi.org/10.1007/s10803-010-1130-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=132
in Journal of Autism and Developmental Disorders > 41-8 (August 2011) . - p.1053-1063[article] Intention Perception in High Functioning People with Autism Spectrum Disorders Using Animacy Displays Derived from Human Actions [Texte imprimé et/ou numérique] / Phil MCALEER, Auteur ; Jim W. KAY, Auteur ; Frank E. POLLICK, Auteur ; Melissa D. RUTHERFORD, Auteur . - 2011 . - p.1053-1063.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 41-8 (August 2011) . - p.1053-1063
Mots-clés : Autism Intention Perception Animacy Index. décimale : PER Périodiques Résumé : The perception of intent in Autism Spectrum Disorders (ASD) often relies on synthetic animacy displays. This study tests intention perception in ASD via animacy stimuli derived from human motion. Using a forced choice task, 28 participants (14 ASDs; 14 age and verbal-I.Q. matched controls) categorized displays of Chasing, Fighting, Flirting, Following, Guarding and Playing, from two viewpoints (side, overhead) in both animacy and full video displays. Detailed analysis revealed no differences between populations in accuracy, or response patterns. Collapsing across groups revealed Following and Video displays to be most accurately perceived. The stimuli and intentions used are compared to those of previous studies, and the implication of our results on the understanding of Theory of Mind in ASD is discussed. En ligne : http://dx.doi.org/10.1007/s10803-010-1130-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=132 (Re-)conceptualisation in Asperger's Syndrome and Typical Individuals with Varying Degrees of Autistic-like Traits / Hollie G. BURNETT in Journal of Autism and Developmental Disorders, 43-1 (January 2013)
[article]
Titre : (Re-)conceptualisation in Asperger's Syndrome and Typical Individuals with Varying Degrees of Autistic-like Traits Type de document : Texte imprimé et/ou numérique Auteurs : Hollie G. BURNETT, Auteur ; Tjeerd JELLEMA, Auteur Année de publication : 2013 Article en page(s) : p.211-223 Langues : Anglais (eng) Mots-clés : High functioning autism Animacy Object recognition Concept switching Autism spectrum disorder AQ Index. décimale : PER Périodiques Résumé : The abilities to form new concepts from scratch (conceptualisation), and to flexibly switch from one concept to another (re-conceptualisation), were investigated in adults with Asperger's Syndrome and in typically-developed adults with low and high autism spectrum quotients. In consecutively presented morphs, containing increasing percentages of animate or inanimate objects, the emerging objects had to be identified. The abilities to conceptualise and reconceptualise became increasingly impaired with increasing autistic(-like) traits. Across both tasks, all groups recognised animate objects quicker than inanimate objects. However, this 'animate advantage' was differently affected by the two tasks. In the Reconceptualisation task, the 'animate advantage' gradually disappeared with increasing autistic(-like) traits, whereas in the Conceptualisation task it remained present. En ligne : http://dx.doi.org/10.1007/s10803-012-1567-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=187
in Journal of Autism and Developmental Disorders > 43-1 (January 2013) . - p.211-223[article] (Re-)conceptualisation in Asperger's Syndrome and Typical Individuals with Varying Degrees of Autistic-like Traits [Texte imprimé et/ou numérique] / Hollie G. BURNETT, Auteur ; Tjeerd JELLEMA, Auteur . - 2013 . - p.211-223.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 43-1 (January 2013) . - p.211-223
Mots-clés : High functioning autism Animacy Object recognition Concept switching Autism spectrum disorder AQ Index. décimale : PER Périodiques Résumé : The abilities to form new concepts from scratch (conceptualisation), and to flexibly switch from one concept to another (re-conceptualisation), were investigated in adults with Asperger's Syndrome and in typically-developed adults with low and high autism spectrum quotients. In consecutively presented morphs, containing increasing percentages of animate or inanimate objects, the emerging objects had to be identified. The abilities to conceptualise and reconceptualise became increasingly impaired with increasing autistic(-like) traits. Across both tasks, all groups recognised animate objects quicker than inanimate objects. However, this 'animate advantage' was differently affected by the two tasks. In the Reconceptualisation task, the 'animate advantage' gradually disappeared with increasing autistic(-like) traits, whereas in the Conceptualisation task it remained present. En ligne : http://dx.doi.org/10.1007/s10803-012-1567-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=187 Right Temporoparietal Gray Matter Predicts Accuracy of Social Perception in the Autism Spectrum / Nicole DAVID in Journal of Autism and Developmental Disorders, 44-6 (June 2014)
[article]
Titre : Right Temporoparietal Gray Matter Predicts Accuracy of Social Perception in the Autism Spectrum Type de document : Texte imprimé et/ou numérique Auteurs : Nicole DAVID, Auteur ; Johannes SCHULTZ, Auteur ; Elizabeth MILNE, Auteur ; Odette SCHUNKE, Auteur ; Daniel SCHOTTLE, Auteur ; Alexander MUNCHAU, Auteur ; Markus SIEGEL, Auteur ; Kai VOGELEY, Auteur ; Andreas K. ENGEL, Auteur Article en page(s) : p.1433-1446 Langues : Anglais (eng) Mots-clés : Autism Asperger syndrome Motion coherence Animacy Social perception Voxel-based morphometry Index. décimale : PER Périodiques Résumé : Individuals with an autism spectrum disorder (ASD) show hallmark deficits in social perception. These difficulties might also reflect fundamental deficits in integrating visual signals. We contrasted predictions of a social perception and a spatial–temporal integration deficit account. Participants with ASD and matched controls performed two tasks: the first required spatiotemporal integration of global motion signals without social meaning, the second required processing of socially relevant local motion. The ASD group only showed differences to controls in social motion evaluation. In addition, gray matter volume in the temporal–parietal junction correlated positively with accuracy in social motion perception in the ASD group. Our findings suggest that social–perceptual difficulties in ASD cannot be reduced to deficits in spatial–temporal integration. En ligne : http://dx.doi.org/10.1007/s10803-013-2008-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=233
in Journal of Autism and Developmental Disorders > 44-6 (June 2014) . - p.1433-1446[article] Right Temporoparietal Gray Matter Predicts Accuracy of Social Perception in the Autism Spectrum [Texte imprimé et/ou numérique] / Nicole DAVID, Auteur ; Johannes SCHULTZ, Auteur ; Elizabeth MILNE, Auteur ; Odette SCHUNKE, Auteur ; Daniel SCHOTTLE, Auteur ; Alexander MUNCHAU, Auteur ; Markus SIEGEL, Auteur ; Kai VOGELEY, Auteur ; Andreas K. ENGEL, Auteur . - p.1433-1446.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-6 (June 2014) . - p.1433-1446
Mots-clés : Autism Asperger syndrome Motion coherence Animacy Social perception Voxel-based morphometry Index. décimale : PER Périodiques Résumé : Individuals with an autism spectrum disorder (ASD) show hallmark deficits in social perception. These difficulties might also reflect fundamental deficits in integrating visual signals. We contrasted predictions of a social perception and a spatial–temporal integration deficit account. Participants with ASD and matched controls performed two tasks: the first required spatiotemporal integration of global motion signals without social meaning, the second required processing of socially relevant local motion. The ASD group only showed differences to controls in social motion evaluation. In addition, gray matter volume in the temporal–parietal junction correlated positively with accuracy in social motion perception in the ASD group. Our findings suggest that social–perceptual difficulties in ASD cannot be reduced to deficits in spatial–temporal integration. En ligne : http://dx.doi.org/10.1007/s10803-013-2008-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=233 Schematic and realistic biological motion identification in children with high-functioning Autism Spectrum Disorder / Kristyn WRIGHT in Research in Autism Spectrum Disorders, 8-10 (October 2014)
[article]
Titre : Schematic and realistic biological motion identification in children with high-functioning Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Kristyn WRIGHT, Auteur ; Elizabeth KELLEY, Auteur ; Diane POULIN-DUBOIS, Auteur Article en page(s) : p.1394-1404 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder Animacy Biological motion Index. décimale : PER Périodiques Résumé : Research investigating biological motion perception in children with ASD has revealed conflicting findings concerning whether impairments in biological motion perception exist. The current study investigated how children with high-functioning ASD (HF-ASD) performed on two tasks of biological motion identification: a novel schematic motion identification task and a point-light biological motion identification task. Twenty-two HF-ASD children were matched with 21 TD children on gender, non-verbal mental, and chronological, age (M years = 6.72). On both tasks, HF-ASD children performed with similar accuracy as TD children. Across groups, children performed better on animate than on inanimate trials of both tasks. These findings suggest that identification of both realistic and schematic biological motion is unimpaired in children with HF-ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.07.005 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=239
in Research in Autism Spectrum Disorders > 8-10 (October 2014) . - p.1394-1404[article] Schematic and realistic biological motion identification in children with high-functioning Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Kristyn WRIGHT, Auteur ; Elizabeth KELLEY, Auteur ; Diane POULIN-DUBOIS, Auteur . - p.1394-1404.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 8-10 (October 2014) . - p.1394-1404
Mots-clés : Autism Spectrum Disorder Animacy Biological motion Index. décimale : PER Périodiques Résumé : Research investigating biological motion perception in children with ASD has revealed conflicting findings concerning whether impairments in biological motion perception exist. The current study investigated how children with high-functioning ASD (HF-ASD) performed on two tasks of biological motion identification: a novel schematic motion identification task and a point-light biological motion identification task. Twenty-two HF-ASD children were matched with 21 TD children on gender, non-verbal mental, and chronological, age (M years = 6.72). On both tasks, HF-ASD children performed with similar accuracy as TD children. Across groups, children performed better on animate than on inanimate trials of both tasks. These findings suggest that identification of both realistic and schematic biological motion is unimpaired in children with HF-ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.07.005 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=239