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Related Experiment Videos

Optimum side for fitting a monaural hearing aid. 3. Preference and benefit.

I R Swan, S Gatehouse

    British Journal of Audiology
    |August 1, 1987
    PubMed
    Summary

    A simulated hearing aid improved speech identification when placed in the better ear during diotic listening. However, for hearing impaired individuals, a hearing aid in the poorer ear provided benefit in all listening situations, especially during dichotic listening.

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    Area of Science:

    • Audiology
    • Hearing Science
    • Speech Perception

    Background:

    • Sensorineural hearing impairment affects speech understanding.
    • Hearing aid placement can influence listening benefits.

    Purpose of the Study:

    • To evaluate the benefit of a simulated monaural hearing aid in diotic and dichotic listening conditions.
    • To understand hearing aid benefit based on ear of placement and signal direction.

    Main Methods:

    • 92 subjects with bilateral, mild to moderate sensorineural hearing impairment participated.
    • Speech identification tasks were performed under diotic and dichotic listening conditions.
    • A simulated monaural hearing aid was used in different ear placements.

    Main Results:

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    • In diotic listening, the hearing aid in the better ear improved speech identification.
    • In dichotic listening, a hearing aid in the better ear offered no benefit if the signal originated from the poorer ear side.
    • A hearing aid in the poorer ear provided benefit across all tested listening situations.

    Conclusions:

    • Hearing aid benefit is dependent on listening conditions and ear of placement.
    • Patients may prefer hearing aid use in the poorer ear to mitigate disadvantages in challenging listening scenarios.
    • Results support the hypothesis that poorer ear hearing aid use aims to minimize overall listening disability.