Drawing Firmer Conclusions: Autistic Children Show No Evidence of a Local Processing Bias in a Controlled Copying Task / Alastair D. SMITH in Journal of Autism and Developmental Disorders, 46-11 (November 2016)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 46-11 (November 2016) . - p.3481-3492 Titre : Drawing Firmer Conclusions: Autistic Children Show No Evidence of a Local Processing Bias in a Controlled Copying Task Type de document : Texte imprimé et/ou numérique Auteurs : Alastair D. SMITH, Auteur ; Lorcan KENNY, Auteur ; Anna RUDNICKA, Auteur ; Josie BRISCOE, Auteur ; Elizabeth PELLICANO, Auteur Article en page(s) : p.3481-3492 Langues : Anglais (eng) Mots-clés : Autism  Drawing  Global  Local  Coherence  Grouping Index. décimale : PER Périodiques Résumé : Drawing tasks are frequently used to test competing theories of visuospatial skills in autism. Yet, methodological differences between studies have led to inconsistent findings. To distinguish between accounts based on local bias or global deficit, we present a simple task that has previously revealed dissociable local/global impairments in neuropsychological patients. Autistic and typical children copied corner elements, arranged in a square configuration. Grouping cues were manipulated to test whether global properties affected the accuracy of reproduction. All children were similarly affected by these manipulations. There was no group difference in the reproduction of local elements, although global accuracy was negatively related to better local processing for autistic children. These data speak against influential theories of visuospatial differences in autism. En ligne : http://dx.doi.org/10.1007/s10803-016-2889-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294 [article] Drawing Firmer Conclusions: Autistic Children Show No Evidence of a Local Processing Bias in a Controlled Copying Task [Texte imprimé et/ou numérique] / Alastair D. SMITH, Auteur ; Lorcan KENNY, Auteur ; Anna RUDNICKA, Auteur ; Josie BRISCOE, Auteur ; Elizabeth PELLICANO, Auteur . - p.3481-3492. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 46-11 (November 2016) . - p.3481-3492 Mots-clés : Autism  Drawing  Global  Local  Coherence  Grouping Index. décimale : PER Périodiques Résumé : Drawing tasks are frequently used to test competing theories of visuospatial skills in autism. Yet, methodological differences between studies have led to inconsistent findings. To distinguish between accounts based on local bias or global deficit, we present a simple task that has previously revealed dissociable local/global impairments in neuropsychological patients. Autistic and typical children copied corner elements, arranged in a square configuration. Grouping cues were manipulated to test whether global properties affected the accuracy of reproduction. All children were similarly affected by these manipulations. There was no group difference in the reproduction of local elements, although global accuracy was negatively related to better local processing for autistic children. These data speak against influential theories of visuospatial differences in autism. En ligne : http://dx.doi.org/10.1007/s10803-016-2889-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294

Visuo-tactile integration in autism: atypical temporal binding may underlie greater reliance on proprioceptive information / Katie GREENFIELD in Molecular Autism, (September 2015)  

Public ISBD [article]  inMolecular Autism > (September 2015) . - p.1-10 Titre : Visuo-tactile integration in autism: atypical temporal binding may underlie greater reliance on proprioceptive information Type de document : Texte imprimé et/ou numérique Auteurs : Katie GREENFIELD, Auteur ; Danielle ROPAR, Auteur ; Alastair D. SMITH, Auteur ; Mark CAREY, Auteur ; Roger NEWPORT, Auteur Article en page(s) : p.1-10 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Evidence indicates that social functioning deficits and sensory sensitivities in autism spectrum disorder (ASD) are related to atypical sensory integration. The exact mechanisms underlying these integration difficulties are unknown; however, two leading accounts are (1) an over-reliance on proprioception and (2) atypical visuo-tactile temporal binding. We directly tested these theories by selectively manipulating proprioceptive alignment and visuo-tactile synchrony to assess the extent that these impact upon body ownership. En ligne : http://dx.doi.org/10.1186/s13229-015-0045-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277 [article] Visuo-tactile integration in autism: atypical temporal binding may underlie greater reliance on proprioceptive information [Texte imprimé et/ou numérique] / Katie GREENFIELD, Auteur ; Danielle ROPAR, Auteur ; Alastair D. SMITH, Auteur ; Mark CAREY, Auteur ; Roger NEWPORT, Auteur . - p.1-10. Langues : Anglais (eng) in Molecular Autism > (September 2015) . - p.1-10 Index. décimale : PER Périodiques Résumé : Evidence indicates that social functioning deficits and sensory sensitivities in autism spectrum disorder (ASD) are related to atypical sensory integration. The exact mechanisms underlying these integration difficulties are unknown; however, two leading accounts are (1) an over-reliance on proprioception and (2) atypical visuo-tactile temporal binding. We directly tested these theories by selectively manipulating proprioceptive alignment and visuo-tactile synchrony to assess the extent that these impact upon body ownership. En ligne : http://dx.doi.org/10.1186/s13229-015-0045-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277

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