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Temporal integration functions in hearing-impaired children

J J Dempsey, A B Maxon

    Ear and Hearing
    |September 1, 1982
    PubMed
    Summary

    Children with sensorineural hearing impairment show unique temporal integration patterns. Brief-tone audiometry reveals flatter threshold-duration functions in these children compared to normal-hearing peers.

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    Area of Science:

    • Audiology
    • Hearing Science
    • Pediatric Audiology

    Background:

    • Sensorineural hearing impairment (SHI) affects auditory processing.
    • Temporal integration, the ability to sum sound over time, is crucial for hearing.
    • Understanding temporal integration in children with SHI is vital for accurate audiological assessment.

    Purpose of the Study:

    • To investigate temporal integration in children (8-12 years) with SHI.
    • To compare threshold-duration functions in children with SHI to normal-hearing children and hearing-impaired adults.

    Main Methods:

    • Obtained threshold-duration functions indirectly.
    • Measured auditory thresholds at 500, 2000, and 4000 Hz.
    • Used three sound durations: 25, 100, and 200 msec.

    Main Results:

    • Threshold-duration functions were flatter in children with SHI than in normal-hearing children.
    • These functions were steeper in children with SHI than in hearing-impaired adults.
    • Findings suggest altered temporal summation in pediatric SHI.

    Conclusions:

    • Children with SHI exhibit distinct temporal integration characteristics.
    • Results have implications for the clinical application of brief-tone audiometry in pediatric populations.
    • Further research is needed to refine brief-tone audiometry protocols for children with hearing loss.

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