Brief Report: Perception of Genuine and Posed Smiles by Individuals with Autism / Zillah L. BORASTON in Journal of Autism and Developmental Disorders, 38-3 (March 2008)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 38-3 (March 2008) . - p.574-580 Titre : Brief Report: Perception of Genuine and Posed Smiles by Individuals with Autism Type de document : texte imprimé Auteurs : Zillah L. BORASTON, Auteur ; Sarah-Jayne BLAKEMORE, Auteur ; Ben CORDEN, Auteur ; Lynden K. MILES, Auteur ; David H. SKUSE, Auteur Année de publication : 2008 Article en page(s) : p.574-580 Langues : Anglais (eng) Mots-clés : Asperger-syndrome Social-cognition Face-processing Smile Eye-tracking Index. décimale : PER Périodiques Résumé : Individuals with autism are impaired in the recognition of fear, which may be due to their reduced tendency to look at the eyes. Here we investigated another potential perceptual and social consequence of reduced eye fixation. The eye region of the face is critical for identifying genuine, or sincere, smiles. We therefore investigated this ability in adults with autism. We used eye-tracking to measure gaze behaviour to faces displaying posed and genuine smiles. Adults with autism were impaired on the posed/genuine smile task and looked at the eyes significantly less than did controls. Also, within the autism group, task performance correlated with social interaction ability. We conclude that reduced eye contact in autism leads to reduced ability to discriminate genuine from posed smiles with downstream effects on social interaction. En ligne : http://dx.doi.org/10.1007/s10803-007-0421-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=336 [article] Brief Report: Perception of Genuine and Posed Smiles by Individuals with Autism [texte imprimé] / Zillah L. BORASTON, Auteur ; Sarah-Jayne BLAKEMORE, Auteur ; Ben CORDEN, Auteur ; Lynden K. MILES, Auteur ; David H. SKUSE, Auteur . - 2008 . - p.574-580. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 38-3 (March 2008) . - p.574-580 Mots-clés : Asperger-syndrome Social-cognition Face-processing Smile Eye-tracking Index. décimale : PER Périodiques Résumé : Individuals with autism are impaired in the recognition of fear, which may be due to their reduced tendency to look at the eyes. Here we investigated another potential perceptual and social consequence of reduced eye fixation. The eye region of the face is critical for identifying genuine, or sincere, smiles. We therefore investigated this ability in adults with autism. We used eye-tracking to measure gaze behaviour to faces displaying posed and genuine smiles. Adults with autism were impaired on the posed/genuine smile task and looked at the eyes significantly less than did controls. Also, within the autism group, task performance correlated with social interaction ability. We conclude that reduced eye contact in autism leads to reduced ability to discriminate genuine from posed smiles with downstream effects on social interaction. En ligne : http://dx.doi.org/10.1007/s10803-007-0421-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=336

Emotional Modulation of Perception in Asperger’s Syndrome / Ben CORDEN in Journal of Autism and Developmental Disorders, 38-6 (July 2008)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 38-6 (July 2008) . - p.1072-1080 Titre : Emotional Modulation of Perception in Asperger’s Syndrome Type de document : texte imprimé Auteurs : Ben CORDEN, Auteur ; David H. SKUSE, Auteur ; Rebecca CHILVERS, Auteur Année de publication : 2008 Article en page(s) : p.1072-1080 Langues : Anglais (eng) Mots-clés : Social-cognition Amygdala Autism Fear Attentional-blink Emotion Index. décimale : PER Périodiques Résumé : Using an attentional blink paradigm, we show that the typical enhancement of perception for emotionally arousing events is significantly reduced in Asperger’s syndrome (AS) at short inter-target intervals. Control experiments demonstrate that this finding cannot be attributed to differences in the perceived arousal of the stimuli, or to a global impairment affecting any type of modulation of perceptual encoding. Because a functioning amygdala is critical for emotional modulation of the attentional blink, the findings support a role for the amygdala in the pathophysiology of AS. More specifically, they suggest there is a fundamental failure of the amygdala to modulate processing in cortex, a concept at the heart of some recent theories of amygdala involvement in the aetiology of autistic-spectrum disorders. En ligne : http://dx.doi.org/10.1007/s10803-007-0485-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=474 [article] Emotional Modulation of Perception in Asperger’s Syndrome [texte imprimé] / Ben CORDEN, Auteur ; David H. SKUSE, Auteur ; Rebecca CHILVERS, Auteur . - 2008 . - p.1072-1080. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 38-6 (July 2008) . - p.1072-1080 Mots-clés : Social-cognition Amygdala Autism Fear Attentional-blink Emotion Index. décimale : PER Périodiques Résumé : Using an attentional blink paradigm, we show that the typical enhancement of perception for emotionally arousing events is significantly reduced in Asperger’s syndrome (AS) at short inter-target intervals. Control experiments demonstrate that this finding cannot be attributed to differences in the perceived arousal of the stimuli, or to a global impairment affecting any type of modulation of perceptual encoding. Because a functioning amygdala is critical for emotional modulation of the attentional blink, the findings support a role for the amygdala in the pathophysiology of AS. More specifically, they suggest there is a fundamental failure of the amygdala to modulate processing in cortex, a concept at the heart of some recent theories of amygdala involvement in the aetiology of autistic-spectrum disorders. En ligne : http://dx.doi.org/10.1007/s10803-007-0485-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=474

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