Acoustic and Semantic Processing of Auditory Scenes in Children with Autism Spectrum Disorders.
Breanne D Yerkes, Christina M Vanden Bosch der Nederlanden, Julie F Beasley and 2 others
PMID 37140745WHAT IT FOUND
Children with autism detected changes in complex sounds and understood speech in noise as well as peers matched for IQ, but worse than age-matched peers.
Both groups used meaning and sound cues similarly, suggesting autism alone does not impair auditory scene processing.
Key findings
01Children with ASD performed worse than age-matched controls but similarly to IQ-matched controls on change deafness and speech-in-noise tasks.
02Both groups relied on semantic information similarly, showing no deficit in using meaning to detect auditory changes or understand speech in noise.
03Neither group showed enhanced acoustic processing; children with ASD did not detect acoustically similar changes better than controls.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The sample size of 27 children with ASD was modest, limiting the power to detect subtle effects. Participants were relatively high-functioning, so findings may not apply to children with more severe autism or intellectual disabilities. The study did not assess specific language abilities, which might influence how semantic context is used. The number of stimulus types across categories was uneven, though prior work suggests the human voice bias is robust.
Declared interests
No specific funding or conflict of interest declarations are provided in the text.
The easy way to misread this
Do not conclude that children with autism have impaired auditory processing or semantic integration. The deficits observed were relative to age-matched peers but not IQ-matched peers, suggesting that general cognitive ability, rather than autism itself, drives performance differences in these tasks.