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/Unit :
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.)
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