An improved model of electrical stimulation of the auditory nerve
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1997
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Cochlear Implants: XVI World Congress of Otohinolaryngology Head and Neck Surgery
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Monduzzi Editore
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Conference Paper
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Bruce, I., Irlicht, L. S., White, M., O'Leary, S. J., Dynes, S., Javel, E., et al. (1997). An improved model of electrical stimulation of the auditory nerve. In Cochlear Implants: XVI World Congress of Otohinolaryngology Head and Neck Surgery, Sydney, N.S.W.
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This is a publisher’s version of a paper from XVI World Congress of Otohinolaryngology Head and Neck Surgery 1997, published by Monduzzi Editore. This version is reproduced with the permission of the publisher.
Abstract
Mathematical models are a useful means of formally describing and investigating pertinent features of complex systems such as the human auditory system. These features may be deduced from physiological and psychophysical experiments utilising animal models or humans, and from engineering studies. Historically, models of the auditory nerve's (AN) response to electrical stimulation have ignored randomness in single-fiber activity which has been recorded in physiological studies. These models, however, have been unable to accurately predict a number of important psychophysical phenomena. In this study, a model that incorporates random activity of the AN is presented, and is shown to predict psychophysical performance. These results indicate that random activity is indeed an important part of the response of the AN to electrical stimulation.
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Keywords
otolaryngology, electrical stimulation, cochlear implant