Abstract

Cochlea hair-cells act as neural interfaces of sound signals and, therefore, circuit representations are important to signal processing systems based upon characteristics of the ear. Here nonlinear semi-state equations for a bidirectional circuit representing a generic cochlea hair-cell are presented. The circuit can be specialized to inner or outer hair-cells depending upon the choice of circuit parameter values. Also developed are a canonical semi-state description for the hair-cell potassium and sodium channels, and circuits suitable for a transistorized hardware implementation. Circuit simulations are run with numerical data to correlate with the Howard–Hudspeth experiments.

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