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Studies on the N1 Latency in the Inner Ear Deaf Model Animals Jun Kusakari 1 1Department of Otolaryngology, Tohoku University School of Medicine pp.461-468
Published Date 1983/6/20
DOI https://doi.org/10.11477/mf.1492209624
  • Abstract
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 It is well known that some sensorineural hearing loss exhibits N1latency prolongation but some does not. To clarify this phenomenon, the N1latency was examined in the guinea pigs subjected to temporal anoxia or given ethacrynic acid, kanamycin and kainic acid, and the following results were obtained.

 1) Ethacrynic acid and kainic acid did not produce the N1latency prolongation.

 2) The N1latency was prolonged in the severely damaged animals by kanamycin and temporal anoxia.

 The results obtained in the present study suggest that the N1latency is prolonged in cases of sensory hair cell damage and not prolonged in the dysfunction of the stria vascularis or the cochlear nerve.


Copyright © 1983, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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