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KMID : 0391119940030020039
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Ulsan University Medical Journal
1994 Volume.3 No. 2 p.39 ~ p.45
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The Comparison between Auditory Brainstem Response Thresholds and Pure Tone Audiogram
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Abstract
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The auditory brainstem responses (ABR) re thought to be the far field refraction of electrical events originating from auditory pathway through the brainstem. The ABR has been used clinically in the identification and diagnosis of hearing loss.
ABR
threshold has been used to estimate the magnitude of hearing loss.
Thresholds of ABR and pure tone behavioral audiogram (PTA) were compared in normal persons and in patients with sensorineural hearing loss. Click-evoked ABR thresholds appeared to be related most closely to the audiometric thresholds at 2 kHz,
with
relatively poor agreement at 8 kHz. This conclusion is based upon the observation that this comparison resulted in the smallest variance and the highest correlation.
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