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Estimation of Surviving Spiral Ganglion Cells by Electrically-Evoked Auditory Brainstem Response

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Authors
Kim, Chong-Sun; Sung, Myung-Whun
Issue Date
1992-12
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med, Vol.33 No.4, pp. 307-315
Keywords
Guinea pigElectrical stimulusInput-output function curveSpiral ganglion cell
Abstract
Electrically-evoked auditory brainstem responses (EABRs) were recorded
from normal and artificially damaged cochleae in order to observe the general
characteristics of EABRs and to know whether it is possible to estimate the survival of
the spiral ganglion cells by EABR. Waves of EABR appeared 1.5 to 2.0 msec earlier
than those of the acoustically-evoked brainstem response and wave I was not observed
due to electrical stimulation, whereas wave III and IV were consistently obtained, giving
input-output function curves. The analysis of EABRs from the normal and abnormal
cochleae suggested that the input-output function curve is thought to reflect the survival
rate of the spiral ganglion cells.
ISSN
0582-6802
Language
English
URI
http://hdl.handle.net/10371/6259
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 33 No.4 (1992)
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