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Impaired Identification of Impoverished Animate but not Inanimate Objects in Adults With High-Functioning Autism Spectrum Disorder / Hollie G. BURNETT in Autism Research, 8-1 (February 2015)
[article]
Titre : Impaired Identification of Impoverished Animate but not Inanimate Objects in Adults With High-Functioning Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Hollie G. BURNETT, Auteur ; Sven PANIS, Auteur ; Johan WAGEMANS, Auteur ; Tjeerd JELLEMA, Auteur Article en page(s) : p.52-60 Langues : Anglais (eng) Mots-clés : autism spectrum disorder (ASD) concept forming Gabor impoverished objects animate inanimate Index. décimale : PER Périodiques Résumé : The ability to identify animate and inanimate objects from impoverished images was investigated in adults with high-functioning autism spectrum disorder (HFA) and in matched typically developed (TD) adults, using a newly developed task. Consecutive frames were presented containing Gabor elements that slightly changed orientation from one frame to the next. For a subset of elements, the changes were such that these elements gradually formed the outline of an object. Elements enclosed within the object's outline gradually adopted one and the same orientation, outside elements adopted random orientations. The subjective experience was that of an object appearing out of a fog. The HFA group required significantly more frames to identify the impoverished objects than the TD group. Crucially, this difference depended on the nature of the objects: the HFA group required significantly more frames to identify animate objects, but with respect to the identification of inanimate objects the groups did not differ. The groups also did not differ with respect to the number and type of incorrect guesses they made. The results suggest a specific impairment in individuals with HFA in identifying animate objects. A number of possible explanations are discussed. Autism Res 2015, 8: 52–60. En ligne : http://dx.doi.org/10.1002/aur.1412 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=256
in Autism Research > 8-1 (February 2015) . - p.52-60[article] Impaired Identification of Impoverished Animate but not Inanimate Objects in Adults With High-Functioning Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Hollie G. BURNETT, Auteur ; Sven PANIS, Auteur ; Johan WAGEMANS, Auteur ; Tjeerd JELLEMA, Auteur . - p.52-60.
Langues : Anglais (eng)
in Autism Research > 8-1 (February 2015) . - p.52-60
Mots-clés : autism spectrum disorder (ASD) concept forming Gabor impoverished objects animate inanimate Index. décimale : PER Périodiques Résumé : The ability to identify animate and inanimate objects from impoverished images was investigated in adults with high-functioning autism spectrum disorder (HFA) and in matched typically developed (TD) adults, using a newly developed task. Consecutive frames were presented containing Gabor elements that slightly changed orientation from one frame to the next. For a subset of elements, the changes were such that these elements gradually formed the outline of an object. Elements enclosed within the object's outline gradually adopted one and the same orientation, outside elements adopted random orientations. The subjective experience was that of an object appearing out of a fog. The HFA group required significantly more frames to identify the impoverished objects than the TD group. Crucially, this difference depended on the nature of the objects: the HFA group required significantly more frames to identify animate objects, but with respect to the identification of inanimate objects the groups did not differ. The groups also did not differ with respect to the number and type of incorrect guesses they made. The results suggest a specific impairment in individuals with HFA in identifying animate objects. A number of possible explanations are discussed. Autism Res 2015, 8: 52–60. En ligne : http://dx.doi.org/10.1002/aur.1412 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=256