Abstract
There is evidence that the mechanism responsible for the sharp auditory tuning in vertebrates may differ between classes. In mammals it has been shown, contrary to earlier indications, that the sharp tuning can be found at the level of the mechanical motion of the basilar membrane (Khanna and Leonard, 1982; Sellick et al., 1982; Robles et al., 1985). Such properties appear to be the result of the combination of passive basilar membrane mechanics and an active positive feedback mechanism which serves to sharpen the tuning of the basilar membrane motion. The presence of such sharp basilar membrane tuning negates the need for an additional filter within the mechanical to neural transduction mechanism.
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© 1989 Plenum Press, New York
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Baker, R.J., Wilson, J.P., Whitehead, M.L. (1989). Otoacoustic Evidence for Nonlinear Behaviour in Frogs’ Hearing: Suppression but No Distortion Products. In: Wilson, J.P., Kemp, D.T. (eds) Cochlear Mechanisms: Structure, Function, and Models. NATO ASI Series. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5640-0_40
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