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  • Title: [Analysis of evoked otoacoustic emissions in patients with high frequency cochlear hearing loss].
    Author: Ke XM.
    Journal: Zhonghua Er Bi Yan Hou Ke Za Zhi; 1993; 28(5):268-70, 313. PubMed ID: 8192927.
    Abstract:
    Evoked otoacoustic emissions (EOAE) and auditory brainstem evoked response (ABR) were tested in patients with high frequency cochlear hearing loss and subjects with normal hearing. Results showed that: 1. In the normal group, the main component of EOAE varied between 0.5-5kHz. 2. There was a close correlation between the pure-tone audiogram figure and EOAE spectrum. 3. The I/O function curves of EOAE displayed non-linear characteristics and a trend of saturation with higher stimulus levels in the normal group. In the patient group the growth rates of EOAE and ABR were remarkably higher than those in the normal group with high stimulus levels. It suggests that the abnormal EOAE are probably relevant to the recruitment phenomenon in cochlear hearing loss.
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