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Cochlear Implants

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Abstract

Cochlear implants are electronic devices introduced surgically into the inner ear that directly stimulate the auditory nerve in response to sound. They can benefit severely, profoundly, or totally hearing-impaired patients who derive little or no benefit from hearing aids. The implant consists of an external component and a surgically implanted internal component. The external portion includes a microphone, microprocessor-based speech processor, and radio-frequency transmitting coil (Fig. 1). The implanted portion houses a radio-frequency receiver coil, microprocessor-based stimulator, and multichannel electrode array (Fig. 2).

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© 2006 Humana Press Inc., Totowa, NJ

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Eshraghi, A.A., King, J.E., Hodges, A.V., Balkany, T.J. (2006). Cochlear Implants. In: Johnson, F.E., Virgo, K.S., Lairmore, T.C., Audisio, R.A. (eds) The Bionic Human. Humana Press. https://doi.org/10.1007/978-1-59259-975-2_27

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