09 mai 2017

Problèmatique particulière: les bases neurobiologiques de la perception sensorielle variable des troubles du spectre de l'autisme chez l'autisme

Aperçu: G.M.
L'autisme est associé à des anomalies sensorielles et cognitives. Les personnes avec un diagnostic d'autisme présentent généralement des capacités normales ou supérieures de traitement sensoriel précoce par rapport aux témoins sans autisme, mais des déficits dans le traitement sensoriel complexe.
Dans ce document, l'auteur soutient que les anomalies sensorielles influent sur la cognition en limitant la quantité de signal pouvant être utilisée pour interpréter et interagir avec l'environnement.

Eur J Neurosci. 2017 May 5. doi: 10.1111/ejn.13601.

Special Issue: The Neurobiological Bases of Autism Spectrum Disorders Variable Sensory Perception in Autism

Author information

1
Department of Psychiatry, University of Pittsburgh School of Medicine.

Abstract

Autism is associated with sensory and cognitive abnormalities. Individuals with autism generally show normal or superior early sensory processing abilities compared to healthy controls, but deficits in complex sensory processing. In the current opinion paper, it will be argued that sensory abnormalities impact cognition by limiting the amount of signal that can be used to interpret and interact with environment. There is a growing body of literature showing that individuals with autism exhibit greater trial-to-trial variability in behavioural and cortical sensory responses. If multiple sensory signals that are highly variable are added together to process more complex sensory stimuli, then this might destabilize later perception and impair cognition. Methods to improve sensory processing have shown improvements in more general cognition. Studies that specifically investigate differences in sensory trial-to-trial variability in autism, and the potential changes in variability before and after treatment, could ascertain if trial-to-trial variability is a good mechanism to target for treatment in autism. This article is protected by copyright. All rights reserved.

PMID: 28474794
DOI: 10.1111/ejn.13601

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