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Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
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Auditory perception is associated with implicit language learning and receptive language ability in autism spectrum
Anne B Arnett1, Caitlin M Hudac1, Trent D DesChamps2
1University of Washington, Department of Psychiatry & Behavioral Sciences, United States.
Brain and Language
|October 13, 2018
Summary
Autism spectrum disorder (ASD) is linked to language difficulties. This study found that better auditory perception in autistic youth correlates with improved implicit language learning and receptive language skills.
Area of Science:
- Neuroscience
- Developmental Psychology
- Speech and Language Pathology
Background:
- Autism spectrum disorder (ASD) is characterized by language impairments and altered auditory processing.
- Understanding the relationship between auditory perception and language learning in ASD is crucial.
Purpose of the Study:
- To investigate the associations among auditory perception, implicit language learning, and receptive language ability in youth with ASD.
- To compare these associations in autistic youth and neurotypical (NT) controls.
Main Methods:
- Auditory event-related potentials (ERPs) were measured during an artificial language statistical learning task.
- Participants included 76 youth with ASD and 27 NT controls, with a wide range of cognitive and language abilities.
Main Results:
- Neurotypical youth demonstrated implicit learning through left-hemisphere P1 amplitude attenuation.
- Youth with ASD showed bilateral attenuation during implicit learning, which was more pronounced with higher receptive language skills.
Conclusions:
- Efficient early auditory perception is a marker of language ability and reflects language learning in autistic youth.
- Atypical lateralization of word learning is observed in ASD across diverse receptive language abilities.
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