Intact Spectral but Abnormal Temporal Processing of Auditory Stimuli in Autism / Wouter B. GROEN in Journal of Autism and Developmental Disorders, 39-5 (May 2009)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 39-5 (May 2009) . - p.742-750 Titre : Intact Spectral but Abnormal Temporal Processing of Auditory Stimuli in Autism Type de document : texte imprimé Auteurs : Wouter B. GROEN, Auteur ; Sophie H. N. SWINKELS, Auteur ; Rutger Jan VAN DER GAAG, Auteur ; Jan K. BUITELAAR, Auteur ; Linda VAN ORSOUW, Auteur ; Marcel ZWIERS, Auteur ; Niels ter HUURNE, Auteur Année de publication : 2009 Article en page(s) : p.742-750 Langues : Anglais (eng) Mots-clés : Autism Connectivity Auditory Perception Speech-in-noise Index. décimale : PER Périodiques Résumé : The perceptual pattern in autism has been related to either a specific localized processing deficit or a pathway-independent, complexity-specific anomaly. We examined auditory perception in autism using an auditory disembedding task that required spectral and temporal integration. 23 children with high-functioning-autism and 23 matched controls participated. Participants were presented with two-syllable words embedded in various auditory backgrounds (pink noise, moving ripple, amplitude-modulated pink noise, amplitude-modulated moving ripple) to assess speech-in-noise-reception thresholds. The gain in signal perception of pink noise with temporal dips relative to pink noise without temporal dips was smaller in children with autism (p = 0.008). Thus, the autism group was less able to integrate auditory information present in temporal dips in background sound, supporting the complexity-specific perceptual account. En ligne : http://dx.doi.org/10.1007/s10803-008-0682-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=732 [article] Intact Spectral but Abnormal Temporal Processing of Auditory Stimuli in Autism [texte imprimé] / Wouter B. GROEN, Auteur ; Sophie H. N. SWINKELS, Auteur ; Rutger Jan VAN DER GAAG, Auteur ; Jan K. BUITELAAR, Auteur ; Linda VAN ORSOUW, Auteur ; Marcel ZWIERS, Auteur ; Niels ter HUURNE, Auteur . - 2009 . - p.742-750. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 39-5 (May 2009) . - p.742-750 Mots-clés : Autism Connectivity Auditory Perception Speech-in-noise Index. décimale : PER Périodiques Résumé : The perceptual pattern in autism has been related to either a specific localized processing deficit or a pathway-independent, complexity-specific anomaly. We examined auditory perception in autism using an auditory disembedding task that required spectral and temporal integration. 23 children with high-functioning-autism and 23 matched controls participated. Participants were presented with two-syllable words embedded in various auditory backgrounds (pink noise, moving ripple, amplitude-modulated pink noise, amplitude-modulated moving ripple) to assess speech-in-noise-reception thresholds. The gain in signal perception of pink noise with temporal dips relative to pink noise without temporal dips was smaller in children with autism (p = 0.008). Thus, the autism group was less able to integrate auditory information present in temporal dips in background sound, supporting the complexity-specific perceptual account. En ligne : http://dx.doi.org/10.1007/s10803-008-0682-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=732

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