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Age categorization of high-frequency auditory threshold data.

M A Schechter, S A Fausti, B Z Rappaport

    The Journal of the Acoustical Society of America
    |March 1, 1986
    PubMed
    Summary

    This study measured high-frequency hearing in 157 young adults, finding a general decline in high-frequency sensitivity with age. These auditory threshold measurements provide normative data for understanding hearing changes.

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    Area of Science:

    • Audiology
    • Hearing Science
    • Human Physiology

    Background:

    • High-frequency hearing (8-20 kHz) is crucial for understanding speech and environmental sounds.
    • Normative data for high-frequency auditory thresholds in young, normal-hearing individuals are limited.
    • Age-related changes in high-frequency sensitivity are not fully characterized.

    Purpose of the Study:

    • To establish normative high-frequency (8-20 kHz) auditory threshold data for individuals aged 6-30 years.
    • To analyze age-related trends in high-frequency hearing sensitivity.
    • To provide data for the clinical assessment of high-frequency hearing.

    Main Methods:

    • Auditory threshold measurements were conducted on 157 subjects with normal conventional hearing.
    • Subjects ranged in age from 6 to 30 years.

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  • Data were analyzed across five semidecade age categories, including mean and variance for threshold sensitivity and interaural differences.

    • Main Results:

    • Normative descriptive data for high-frequency auditory thresholds were established for the specified age range.
    • A gradual decrease in high-frequency sensitivity was observed through adolescence and early adulthood.
    • Intra-age category variations in sensitivity and interaural differences were quantified.

    Conclusions:

    • The findings support the expectation of age-related decline in high-frequency hearing sensitivity in young adults.
    • The presented normative data can aid in the clinical evaluation of high-frequency hearing.
    • Further research is needed to address unresolved issues concerning high-frequency normative data and its clinical application.