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Auditory brainstem response in two children with autism.

Miguel B Coutinho1, Virgínia Rocha, M Carmo Santos

  • 1Department of Otolaryngology, Hospital de Crianças Maria Pia, Rua da Boavista, 827, 4050-111. Porto, Portugal. miguelbebiano@hotmail.com

International Journal of Pediatric Otorhinolaryngology
|October 5, 2002
PubMed
Summary

Auditory brainstem response (ABR) tests in children with autistic disorder revealed a consistent Peak I finding. This unique ABR pattern may offer new insights into auditory processing in autism.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Audiology

Background:

  • Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by impairments in communication and social interaction, typically emerging before 30 months of age.
  • The auditory system's function is frequently investigated in ASD due to communication challenges, with auditory brainstem response (ABR) offering a physiological measure of hearing and brainstem pathway integrity.
  • Previous research on ABR in autism has yielded inconsistent results.

Observation:

  • This study presents case reports of two children diagnosed with autistic disorder, aged 2 and 4 years.
  • Auditory brainstem response (ABR) testing was conducted on all four ears of these children.
  • A consistent finding of a prevalent Peak I was observed across all tested ears.

Findings:

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  • The observed ABR pattern, characterized by a prevalent Peak I, has not been previously documented in the literature concerning autism.
  • This specific ABR configuration was consistently present in the two children with autistic disorder.

Implications:

  • The novel ABR finding warrants further investigation to understand its significance in the auditory status of children with autism.
  • This research may contribute to a better understanding of auditory processing differences in individuals with ASD.
  • Future studies are needed to validate these findings and explore their diagnostic or prognostic value.