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[Functional hearing loss in speech audiometry (author's transl)].

W Stoll, W Kumpf

    HNO
    |June 1, 1978
    PubMed
    Summary

    Speech audiometry effectively identifies functional hearing loss, a condition often missed in medico-legal evaluations. Irregular speech patterns and discrepancies in hearing tests are key indicators.

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    [Vertigo and disturbance of balance concerning medico-legal principles].

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    Area of Science:

    • Audiology
    • Medico-legal assessments
    • Psychophysics

    Context:

    • Functional hearing loss presents diagnostic challenges, particularly in medico-legal contexts.
    • Distinguishing true hearing impairment from non-organic causes requires reliable assessment tools.

    Purpose:

    • To evaluate the reliability of speech audiometric patterns in detecting functional hearing loss.
    • To identify key audiometric criteria indicative of non-organic hearing impairment.

    Summary:

    • Speech audiometry patterns demonstrated reliability in identifying functional hearing loss among 26 subjects out of 238 evaluated for medico-legal reasons.
    • Key indicators included irregular audiometric curve configurations (56%) and better understanding of monosyllabic words versus digits (28.8%).
    • Discrepancies between speech reception thresholds and pure tone averages (84.6%), poor tone audiometry test-retest reliability, and Békésy-audiometry Type V (73%) further supported functional hearing loss identification.

    Impact:

    • Provides a reliable method for identifying functional hearing loss in clinical and medico-legal settings.
    • Highlights specific speech audiometry patterns crucial for accurate diagnosis.
    • Contributes to improved patient care and legal evaluations by differentiating organic from non-organic hearing deficits.

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