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Related Experiment Videos

Brain stem electric response audiometry (BSERA)

H Davis, S K Hirsh

    Acta Oto-Laryngologica
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Brain stem electric responses offer reliable hearing tests for young children. This method uses vertex-positive waves to assess auditory nerve function, proving effective for audiometry.

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    Area of Science:

    • Neuroscience
    • Audiology
    • Pediatric Medicine

    Background:

    • Assessing hearing in young children presents unique challenges.
    • Objective measures of auditory function are crucial for early diagnosis.
    • Brain stem electric responses provide a non-invasive method for auditory evaluation.

    Purpose of the Study:

    • To evaluate the efficacy of brain stem electric responses for pediatric audiometry.
    • To characterize the properties of vertex-positive waves in response to auditory stimuli.
    • To determine the reliability of this method for threshold assessment in children.

    Main Methods:

    • Recording brain stem electric responses using external electrodes placed on the vertex and ear lobes.
    • Utilizing filtered clicks at 1000 Hz and higher frequencies.

    Related Experiment Videos

  • Analyzing the vertex-positive wave latency and amplitude characteristics.

    • Main Results:

    • Brain stem electric responses demonstrated a vertex-positive wave with a latency of 6-9 msec.
    • This wave closely mimics the auditory nerve action potential, showing intensity-dependent latency shifts.
    • Reliable hearing thresholds were achievable with filtered clicks at 1000 Hz and above.

    Conclusions:

    • Brain stem electric responses are an excellent tool for the audiometry of young children.
    • The method offers practical advantages for pediatric hearing assessments.
    • Understanding the theoretical limitations is important for accurate interpretation.