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01-08-2009 | Original Paper

Effects of Background Noise on Cortical Encoding of Speech in Autism Spectrum Disorders

Auteurs: Nicole Russo, Steven Zecker, Barbara Trommer, Julia Chen, Nina Kraus

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 8/2009

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Abstract

This study provides new evidence of deficient auditory cortical processing of speech in noise in autism spectrum disorders (ASD). Speech-evoked responses (~100–300 ms) in quiet and background noise were evaluated in typically-developing (TD) children and children with ASD. ASD responses showed delayed timing (both conditions) and reduced amplitudes (quiet) compared to TD responses. As expected, TD responses in noise were delayed and reduced compared to quiet responses. However, minimal quiet-to-noise response differences were found in children with ASD, presumably because quiet responses were already severely degraded. Moreover, ASD quiet responses resembled TD noise responses, implying that children with ASD process speech in quiet only as well as TD children do in background noise.
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Metagegevens
Titel
Effects of Background Noise on Cortical Encoding of Speech in Autism Spectrum Disorders
Auteurs
Nicole Russo
Steven Zecker
Barbara Trommer
Julia Chen
Nina Kraus
Publicatiedatum
01-08-2009
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 8/2009
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-009-0737-0

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