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High-frequency audiometry. Age and sex variations.

D Osterhammel, P Osterhammel

    Scandinavian Audiology
    |January 1, 1979
    PubMed
    Summary
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    Hearing sensitivity declines with age, particularly at high frequencies. While males show poorer hearing in older age groups at specific frequencies, high-frequency hearing loss begins in youth, questioning the need for a universal standard.

    Area of Science:

    • Audiology
    • Otorhinolaryngology
    • Gerontology

    Background:

    • Presbycusis, or age-related hearing loss, affects individuals across the lifespan.
    • Existing audiological standards primarily focus on conventional frequencies (up to 8 kHz).
    • High-frequency hearing assessment (4-20 kHz) is crucial for understanding early auditory changes.

    Purpose of the Study:

    • To investigate hearing sensitivity across a wide age range (10-70+ years) using conventional and high-frequency audiometry.
    • To identify age- and sex-related differences in hearing thresholds.
    • To evaluate the applicability of a universal zero dB hearing level standard for high frequencies.

    Main Methods:

    • Recruited 286 healthy subjects across seven age groups (10-70+ years).

    Related Experiment Videos

  • Utilized conventional pure-tone audiometry and high-frequency audiometry (4-20 kHz) in a free-field system.
  • Applied strict selection criteria to ensure a normal hearing cohort.

    • Main Results:

    • Conventional audiometry results align with existing presbycusis data.
    • A significant sex difference in hearing was observed in older adults at 4-5 kHz (males poorer).
    • This sex difference persisted at 4 and 8 kHz in high-frequency audiometry, but not at 10-20 kHz.
    • High-frequency hearing sensitivity declines notably from a young age.

    Conclusions:

    • Age-related hearing decline, especially at high frequencies, is evident early in life.
    • Sex differences in hearing sensitivity exist at specific conventional and high frequencies in older individuals.
    • The utility of a universal zero dB hearing level standard for frequencies above 8 kHz is questionable; age-specific normative data may be more appropriate.