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Central auditory dysfunction among chronic alcoholics

J B Spitzer, I M Ventry

    Archives of Otolaryngology (Chicago, Ill. : 1960)
    |April 1, 1980
    PubMed
    Summary
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    Chronic alcoholism significantly impacts auditory processing, with alcoholics showing deficits in acoustic reflex, Staggered Spondaic Word (SSW), and Synthetic Sentence Identification (SSI) tests. Some alcoholics exhibited auditory processing issues suggestive of brainstem dysfunction.

    Area of Science:

    • Neuroscience
    • Audiology
    • Clinical Psychology

    Background:

    • Chronic alcoholism is a widespread health issue with numerous neurological consequences.
    • Auditory processing disorders can significantly affect communication and quality of life.
    • The specific effects of chronic alcoholism on central auditory processing remain incompletely understood.

    Purpose of the Study:

    • To investigate the relationship between chronic alcoholism and central auditory processing abilities.
    • To compare auditory processing performance between alcoholic and non-alcoholic individuals.

    Main Methods:

    • A central auditory test battery was administered to 15 alcoholic subjects and 15 age-matched non-alcoholic controls.
    • Tests included pure-tone thresholds, speech discrimination, acoustic reflex thresholds, Staggered Spondaic Word (SSW) test, and Synthetic Sentence Identification (SSI).

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  • Temporal summation was also assessed to evaluate brainstem function.

    • Main Results:

    • Significant differences were observed between alcoholic and control groups in acoustic reflex thresholds, SSW, and SSI.
    • Temporal summation showed a significant subject-related interaction, indicating variability in response among alcoholics.
    • Approximately 50% of alcoholic subjects displayed auditory processing patterns consistent with brainstem pathology.

    Conclusions:

    • Chronic alcoholism is associated with measurable deficits in central auditory processing.
    • Specific auditory tests like SSW and SSI can identify these deficits.
    • Findings suggest potential brainstem involvement in auditory processing impairments among individuals with chronic alcoholism.