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Contrasting the Effects of Task Difficulty and Perceptual Load on Auditory Detection Sensitivity in Individuals with Autism / J. TILLMANN in Journal of Autism and Developmental Disorders, 49-2 (February 2019)
[article]
Titre : Contrasting the Effects of Task Difficulty and Perceptual Load on Auditory Detection Sensitivity in Individuals with Autism Type de document : Texte imprimé et/ou numérique Auteurs : J. TILLMANN, Auteur ; J. SWETTENHAM, Auteur Article en page(s) : p.762-772 Langues : Anglais (eng) Mots-clés : Auditory detection sensitivity Autism spectrum disorder Perceptual load Selective attention Task difficulty Index. décimale : PER Périodiques Résumé : To test a central assumption of the increased perceptual capacity account in individuals with Autism Spectrum Disorder (ASD), the effects of perceptual load and target-stimulus degradation on auditory detection sensitivity were contrasted. Fourteen adolescents with ASD and 16 neurotypical controls performed a visual letter search task under three conditions: low perceptual load, high perceptual load and low perceptual load with a degraded target while simultaneously detecting an auditory tone in noise. For both participants with ASD and neurotypical controls, increasing perceptual load and target degradation increased task difficulty as indexed by reaction times and accuracy. However, only increasing perceptual load reduced subsequent auditory detection sensitivity. The study confirms that perceptual load, and not task difficulty, modulates selective attention in ASD. En ligne : http://dx.doi.org/10.1007/s10803-018-3766-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=382
in Journal of Autism and Developmental Disorders > 49-2 (February 2019) . - p.762-772[article] Contrasting the Effects of Task Difficulty and Perceptual Load on Auditory Detection Sensitivity in Individuals with Autism [Texte imprimé et/ou numérique] / J. TILLMANN, Auteur ; J. SWETTENHAM, Auteur . - p.762-772.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-2 (February 2019) . - p.762-772
Mots-clés : Auditory detection sensitivity Autism spectrum disorder Perceptual load Selective attention Task difficulty Index. décimale : PER Périodiques Résumé : To test a central assumption of the increased perceptual capacity account in individuals with Autism Spectrum Disorder (ASD), the effects of perceptual load and target-stimulus degradation on auditory detection sensitivity were contrasted. Fourteen adolescents with ASD and 16 neurotypical controls performed a visual letter search task under three conditions: low perceptual load, high perceptual load and low perceptual load with a degraded target while simultaneously detecting an auditory tone in noise. For both participants with ASD and neurotypical controls, increasing perceptual load and target degradation increased task difficulty as indexed by reaction times and accuracy. However, only increasing perceptual load reduced subsequent auditory detection sensitivity. The study confirms that perceptual load, and not task difficulty, modulates selective attention in ASD. En ligne : http://dx.doi.org/10.1007/s10803-018-3766-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=382