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Related Experiment Videos

Brainstem evoked response (BER) audiometry at various stimulus presentation rates

B A Weber, S M Fujikawa

    Journal of the American Audiology Society
    |September 1, 1977
    PubMed
    Summary

    The latency of the brainstem auditory evoked response (BAER) helps assess high-frequency hearing. Stimulus rate significantly impacts BAER latency, requiring rate-specific norms for accurate clinical use.

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    Area of Science:

    • Audiology
    • Neuroscience
    • Hearing Science

    Background:

    • Brainstem Auditory Evoked Response (BAER) is increasingly used to evaluate high-frequency hearing.
    • Optimizing stimulus presentation rate is crucial for efficient and accurate BAER testing.

    Purpose of the Study:

    • To investigate the effect of different stimulus rates on Brainstem Auditory Evoked Response (BAER) latency.
    • To provide initial latency data for three common click presentation rates used in audiology.

    Main Methods:

    • Brainstem Auditory Evoked Responses (BAERs) were recorded from 22 adult participants.
    • Stimuli were presented at three click rates (13.3/sec, 33.3/sec, 67/sec) and seven intensity levels (10-60 dB SL).

    Main Results:

    • The rate of stimulus presentation significantly influenced the intensity-latency functions for Wave V in BAERs.
    • Latency varied demonstrably across the tested stimulus rates.

    Conclusions:

    • Clinicians must establish normative data for each stimulus rate employed.
    • Accurate estimation of high-frequency hearing status using BAER requires rate-specific normative values.

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