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Biophysical Journal 2: 23-34 (1962)
© 1962 the Biophysical Society

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Cochlear Responses to Condensation and Rarefaction Clicks

William T. Peake and Nelson Y-S. Kiang

ABSTRACT

Auditory nerve responses to condensation and rarefaction clicks (CC and RC) have been recorded over a wide intensity range with gross electrodes. At low intensities the RC responses are nearly identical to CC responses. At high intensities RC and CC response waveforms are similar, but the latency of the N1 peak in the RC response is 0.2 msec. shorter than that for the corresponding CC response. At intermediate intensities the RC and CC response waveforms are quite different. These results can be interpreted in terms of a model in which there are two excitatory mechanisms for the neural response, which are operative in different intensity ranges. The cochlear microphonic potential and a "slow" potential are suggested as possible excitatory mechanisms.







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Copyright © 1962 by the Biophysical Society.