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KMID : 0361019920350040485
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Korean Journal of Otolaryngology - Head and Neck Surgery
1992 Volume.35 No. 4 p.485 ~ p.492
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The Propeties of clic-evoked Otoacoustic Emssions in Guinea Pigs and Studies of Test-retest Reliability
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Chung Ho-Chang
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Abstract
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By use of the ILO88 Otodynamic Analyser designed by Kemp, 18 albino guinea pigs(36 ears) with normal middle ear and Preyer reflex were tested for the study of characteristics of click-evoked otoacoustic emissions (CEOEs).
The detection rate of CEOEs was 91.7 per cent(33 ears). The mean threshold of stimulus for CEOEs was 24.8 dB test gain(108.8 dB peak SPL) with a range of 10 dB to 30 dB test gain. The multiple peak response patterns were observed in spectral
analysis.
Test-retest reliability was statistically confirmed with a concept of coefficient of variation in 22 normal guinea pigs(22 ears).
From this study, the properties of emissions were investigated in normal guinea pigs and the test stability of CEOEs was statistically confirmed.
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