Practica oto-rhino-laryngologica. Suppl.
Online ISSN : 2185-1557
Print ISSN : 0912-1870
ISSN-L : 0912-1870
Influence of Electrode Position on Summating Potential in Meniere's Disease
Kazuhiro Ohta, Nozomu Mori, Takashi Matsunaga
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Keywords: electrocochleography, summating potential, Meniere's disease, trans-and extratympanic methods
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1990 Volume 1990 Issue Supplement37 Pages 92-97

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Abstract

Results of the comparison of summating potential (SP) in trans-(TT) and extratympanic (ET) methods in 8 ears of Meniere's disease are reported.
The polarity of SP is negative in the ET method and in the TT method at click and middle frequency tone burst. The polarity of SP is changed in the TT method by high frequency stimuli depending on the electrode position.
The clinical value of SP and + SP in Meniere's desease is discussed.

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