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Functional asymmetries in the auditory system

J Jerger1

  • 1Dept of Otorhinolaryngology and Communicative Sciences, Baylor College of Medicine, Houston, TX 77024-4300, USA.

The Annals of Otology, Rhinology & Laryngology. Supplement
|May 1, 1997
PubMed
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Listening performance varies by ear stimulated, impacting individuals with normal and impaired hearing across all ages. This effect is particularly noticeable in children and the elderly, with implications for auditory processing.

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics
  • Speech Perception

Background:

  • Interaural differences, or asymmetries in auditory processing between the left and right ears, are a known phenomenon.
  • Previous research has established that auditory performance can vary depending on which ear receives stimulation.

Purpose of the Study:

  • To investigate and summarize evidence of interaural differences in various listening tasks.
  • To examine behavioral and electrophysiologic data across different age groups and hearing statuses.
  • To discuss potential clinical implications of observed functional asymmetries.

Main Methods:

  • Review and synthesis of existing behavioral and electrophysiologic studies.
  • Analysis of performance data across three key auditory domains: cued listening, dichotic word/sentence recognition, and temporal resolution.

Related Experiment Videos

  • Examination of age-related effects, with a focus on children and elderly individuals.
  • Main Results:

    • Consistent evidence of performance differences based on ear of stimulation was found in both normal-hearing and hearing-impaired individuals.
    • These interaural effects were observed across the entire age spectrum.
    • The asymmetries were particularly pronounced in children and elderly participants.

    Conclusions:

    • Functional asymmetries in auditory processing exist and impact listening performance.
    • These differences are relevant across various auditory tasks and age groups.
    • Understanding these interaural differences may inform clinical audiology and auditory rehabilitation strategies.