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Diagnostic reference data for the monaural brain-stem auditory evoked response (BAER).

C D Govender1

  • 1Department of Speech and Hearing Therapy, University of Durban-Westville.

The South African Journal of Communication Disorders = Die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
|January 1, 1990
PubMed
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This study establishes normal hearing reference data for Brainstem Auditory Evoked Response (BAER) in young Indian adults. The findings provide essential benchmarks for diagnosing auditory pathway disorders.

Area of Science:

  • Audiology
  • Neuroscience
  • Physiology

Background:

  • Brainstem Auditory Evoked Response (BAER) is crucial for assessing auditory pathway function.
  • Establishing normative data is essential for accurate clinical interpretation of BAER results.

Purpose of the Study:

  • To establish diagnostic reference data for normal Brainstem Auditory Evoked Response (BAER) in a young Indian adult population.
  • To provide normative values for absolute and relative latencies and amplitudes of BAER peaks.

Main Methods:

  • BAERs were elicited using clicks at 70dBnHL in the right ear of 60 healthy Indian undergraduate students (30 females, 30 males).
  • Data collection focused on absolute latencies (peaks I-VI), relative latencies (I-III, III-V, I-V), absolute amplitudes (peaks I, V), and the V:I amplitude ratio.

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Main Results:

  • Reference data for absolute latencies of peaks I to VI were established.
  • Normative values for relative latencies (I-III, III-V, I-V) and amplitudes (I, V, V:I ratio) were determined.

Conclusions:

  • The established reference data serve as a valuable tool for the clinical diagnosis of auditory pathway disorders in the Indian population.
  • These findings have implications for audiological practice and future research in auditory electrophysiology.