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Effect of elevated potassium concentration in the perilymph on the nonlinearity of cochlear microphonics in the
1Laboratoire de Neurophysiologie, Collège de France, Paris.
Hearing Research
|September 15, 1988
Abstract:
Various characteristics of cochlear microphonic responses (CM) were measured in the guinea-pig after perfusing scala tympani with KCl solutions. In addition to a decrease of CM magnitude, the nonlinearity and the symmetry of waveform showed typical modifications suggesting, in addition to a depolarization of hair cells, some mechanical alterations.