Article (Scientific journals)
Preservation of Categorical Perception for Speech in Autism With and Without Speech Onset Delay
Chiodo, Liliane; Mottron, Laurent; Majerus, Steve
2019In Autism Research, 12, p. 1609-1622
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Keywords :
autism spectrum; categorical perception; speech onset delay; cognition; Bayesian models
Abstract :
[en] A reduced influence of prior knowledge has been considered to characterize perceptual abilities in people with autism. In this article, we examine this claim by assessing nonlinguistic and linguistic auditory perception abilities in adults with autism, and by further distinguishing between autism with or without a history of delayed language development. We did not observe any reduced influence of prior language knowledge on the perception of speech stimuli nor did we observe any increased perceptual abilities for atypical variants of speech stimuli or nonspeech auditory stimuli, and this relative to a control group matched on age, nonverbal intellectual efficiency, and reading abilities. Our results challenge models claiming a reduced influence of prior knowledge on perception across domains in the AS.
Research center :
Psychology and Neuroscience of Cognition Research Unit, Université de Liège, Liège, Belgium (L.C., S.M.); Département de Psychiatrie, Université de Montréal, et Hôpital Rivière-des-Prairies, CIUSSS-NIM, Montréal, Quebec, Canada (L.M.)
Disciplines :
Theoretical & cognitive psychology
Author, co-author :
Chiodo, Liliane ;  Université de Liège - ULiège > Département de Psychologie > Psychologie du développement cognitif normal et atypique
Mottron, Laurent;  Département de Psychiatrie, Université de Montréal, et Hôpital Rivière-des-Prairies, CIUSSS-NIM, Montréal, Quebec, Canada
Majerus, Steve  ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Language :
English
Title :
Preservation of Categorical Perception for Speech in Autism With and Without Speech Onset Delay
Alternative titles :
[fr] Préservation de la perception de la parole catégorielle dans l'autisme avec et sans retard de langage
Publication date :
2019
Journal title :
Autism Research
ISSN :
1939-3792
eISSN :
1939-3806
Publisher :
John Wiley & Sons, Hoboken, United States - New Jersey
Volume :
12
Pages :
1609-1622
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Thèse de doctorat
Funders :
Fonds de la Recherche Scientifique F.R.S.-FNRS, Brussels, Belgium
Commentary :
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