Online ISSN : 1883-7301
Print ISSN : 0303-8106
ISSN-L : 0303-8106
Clinical Evaluation of the Auditory Evoked Brain Stem Response (BSR) in the Prediction of Pure Tone Threshold
Hitoshi YamaneOsamu YamadaKazuoki Kodera
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1976 Volume 19 Issue 3 Pages 178-186


BSR audiometry was applied to 63 ears with hearing losses and 28 normal ears. The auditory stimulus to elicit the BSR was one cycle of a 3kHz sinusoidal wave. Click intensities were calibrated relatedly to the subjective click threshold of normal adults listeners (0dBHL).
(1) The averaged BSR-threshold of the normal hearing group was 13.7dBHL.
(2) BSR-thresholds in cases with flat hearing losses were close to the averaged pure tone thresholds (averaged from 250Hz to 8kHz).
(3) BSR-thresholds in cases of high tone losses had a close correlation with pure tone thresholds at 2kHz.
(4) BSR-threshold could predict the pure tone threshold at 2kHz (with the exception of abrupt high tone losses above 2kHz).
(5) In cases of abrupt high tone losses BSR-thresholds were considerably higher than the subjective sound thresholds to the clicks.

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© Japan Audiological Society
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