An evaluation of eight computer models of mammalian inner hair-cell function

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Abstract
Eight computer models of auditory inner hair cells have been evaluated. From an extensive literature on mammalian species, a subset of well‐reported auditory‐nerve properties in response to tone‐burst stimuli were selected and tested for in the models. This subset included tests for: (a) rate‐level functions for onset and steady‐state responses; (b) two‐component adaptation; (c) recovery of spontaneous activity; (d) physiological forward masking; (e) additivity; and (f) frequency‐limited phase locking. As models of hair‐cell functioning are increasingly used as the front end of speech‐recognition devices, the computational efficiency of each model was also considered. The evaluation shows that no single model completely replicates the subset of tests. Reasons are given for our favoring the Meddis model [R. Meddis, J. Acoust. Soc. Am. 8 3, 1056–1063 (1988)] both in terms of its good agreement with physiological data and its computational efficiency. It is concluded that this model is well suited to provide the primary input to speech recognition devices and models of central auditory processing.

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