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Impairments in multisensory processing are not universal to the autism spectrum: no evidence for crossmodal priming deficits in Asperger syndrome / Nicole DAVID in Autism Research, 4-5 (October 2011)
[article]
Titre : Impairments in multisensory processing are not universal to the autism spectrum: no evidence for crossmodal priming deficits in Asperger syndrome Type de document : Texte imprimé et/ou numérique Auteurs : Nicole DAVID, Auteur ; Till R. SCHNEIDER, Auteur ; Kai VOGELEY, Auteur ; Andreas K. ENGEL, Auteur Année de publication : 2011 Article en page(s) : p.383-388 Langues : Anglais (eng) Mots-clés : Asperger syndrome high-functioning autism multisensory processing crossmodal priming local processing Index. décimale : PER Périodiques Résumé : Individuals suffering from autism spectrum disorders (ASD) often show a tendency for detail- or feature-based perception (also referred to as “local processing bias”) instead of more holistic stimulus processing typical for unaffected people. This local processing bias has been demonstrated for the visual and auditory domains and there is evidence that multisensory processing may also be affected in ASD. Most multisensory processing paradigms used social-communicative stimuli, such as human speech or faces, probing the processing of simultaneously occuring sensory signals. Multisensory processing, however, is not limited to simultaneous stimulation. In this study, we investigated whether multisensory processing deficits in ASD persist when semantically complex but nonsocial stimuli are presented in succession. Fifteen adult individuals with Asperger syndrome and 15 control persons participated in a visual-audio priming task, which required the classification of sounds that were either primed by semantically congruent or incongruent preceding pictures of objects. As expected, performance on congruent trials was faster and more accurate compared with incongruent trials (crossmodal priming effect). The Asperger group, however, did not differ significantly from the control group. Our results do not support a general multisensory processing deficit, which is universal to the entire autism spectrum. Autism Res2011,4:383–388. © 2011 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.210 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=145
in Autism Research > 4-5 (October 2011) . - p.383-388[article] Impairments in multisensory processing are not universal to the autism spectrum: no evidence for crossmodal priming deficits in Asperger syndrome [Texte imprimé et/ou numérique] / Nicole DAVID, Auteur ; Till R. SCHNEIDER, Auteur ; Kai VOGELEY, Auteur ; Andreas K. ENGEL, Auteur . - 2011 . - p.383-388.
Langues : Anglais (eng)
in Autism Research > 4-5 (October 2011) . - p.383-388
Mots-clés : Asperger syndrome high-functioning autism multisensory processing crossmodal priming local processing Index. décimale : PER Périodiques Résumé : Individuals suffering from autism spectrum disorders (ASD) often show a tendency for detail- or feature-based perception (also referred to as “local processing bias”) instead of more holistic stimulus processing typical for unaffected people. This local processing bias has been demonstrated for the visual and auditory domains and there is evidence that multisensory processing may also be affected in ASD. Most multisensory processing paradigms used social-communicative stimuli, such as human speech or faces, probing the processing of simultaneously occuring sensory signals. Multisensory processing, however, is not limited to simultaneous stimulation. In this study, we investigated whether multisensory processing deficits in ASD persist when semantically complex but nonsocial stimuli are presented in succession. Fifteen adult individuals with Asperger syndrome and 15 control persons participated in a visual-audio priming task, which required the classification of sounds that were either primed by semantically congruent or incongruent preceding pictures of objects. As expected, performance on congruent trials was faster and more accurate compared with incongruent trials (crossmodal priming effect). The Asperger group, however, did not differ significantly from the control group. Our results do not support a general multisensory processing deficit, which is universal to the entire autism spectrum. Autism Res2011,4:383–388. © 2011 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.210 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=145 Reduced orienting to audiovisual synchrony in infancy predicts autism diagnosis at 3 years of age / T. FALCK-YTTER in Journal of Child Psychology and Psychiatry, 59-8 (August 2018)
[article]
Titre : Reduced orienting to audiovisual synchrony in infancy predicts autism diagnosis at 3 years of age Type de document : Texte imprimé et/ou numérique Auteurs : T. FALCK-YTTER, Auteur ; P. NYSTROM, Auteur ; G. GREDEBACK, Auteur ; T. GLIGA, Auteur ; Sven BÖLTE, Auteur Article en page(s) : p.872-880 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder biological motion biomarker infancy multisensory processing scientific replication Index. décimale : PER Périodiques Résumé : BACKGROUND: Effective multisensory processing develops in infancy and is thought to be important for the perception of unified and multimodal objects and events. Previous research suggests impaired multisensory processing in autism, but its role in the early development of the disorder is yet uncertain. Here, using a prospective longitudinal design, we tested whether reduced visual attention to audiovisual synchrony is an infant marker of later-emerging autism diagnosis. METHODS: We studied 10-month-old siblings of children with autism using an eye tracking task previously used in studies of preschoolers. The task assessed the effect of manipulations of audiovisual synchrony on viewing patterns while the infants were observing point light displays of biological motion. We analyzed the gaze data recorded in infancy according to diagnostic status at 3 years of age (DSM-5). RESULTS: Ten-month-old infants who later received an autism diagnosis did not orient to audiovisual synchrony expressed within biological motion. In contrast, both infants at low-risk and high-risk siblings without autism at follow-up had a strong preference for this type of information. No group differences were observed in terms of orienting to upright biological motion. CONCLUSIONS: This study suggests that reduced orienting to audiovisual synchrony within biological motion is an early sign of autism. The findings support the view that poor multisensory processing could be an important antecedent marker of this neurodevelopmental condition. En ligne : http://dx.doi.org/10.1111/jcpp.12863 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=368
in Journal of Child Psychology and Psychiatry > 59-8 (August 2018) . - p.872-880[article] Reduced orienting to audiovisual synchrony in infancy predicts autism diagnosis at 3 years of age [Texte imprimé et/ou numérique] / T. FALCK-YTTER, Auteur ; P. NYSTROM, Auteur ; G. GREDEBACK, Auteur ; T. GLIGA, Auteur ; Sven BÖLTE, Auteur . - p.872-880.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 59-8 (August 2018) . - p.872-880
Mots-clés : Autism spectrum disorder biological motion biomarker infancy multisensory processing scientific replication Index. décimale : PER Périodiques Résumé : BACKGROUND: Effective multisensory processing develops in infancy and is thought to be important for the perception of unified and multimodal objects and events. Previous research suggests impaired multisensory processing in autism, but its role in the early development of the disorder is yet uncertain. Here, using a prospective longitudinal design, we tested whether reduced visual attention to audiovisual synchrony is an infant marker of later-emerging autism diagnosis. METHODS: We studied 10-month-old siblings of children with autism using an eye tracking task previously used in studies of preschoolers. The task assessed the effect of manipulations of audiovisual synchrony on viewing patterns while the infants were observing point light displays of biological motion. We analyzed the gaze data recorded in infancy according to diagnostic status at 3 years of age (DSM-5). RESULTS: Ten-month-old infants who later received an autism diagnosis did not orient to audiovisual synchrony expressed within biological motion. In contrast, both infants at low-risk and high-risk siblings without autism at follow-up had a strong preference for this type of information. No group differences were observed in terms of orienting to upright biological motion. CONCLUSIONS: This study suggests that reduced orienting to audiovisual synchrony within biological motion is an early sign of autism. The findings support the view that poor multisensory processing could be an important antecedent marker of this neurodevelopmental condition. En ligne : http://dx.doi.org/10.1111/jcpp.12863 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=368