Molding the asymmetry of localized frequency-locking waves by a generalized forcing and implications to the inner ear

Yuval Edri, Dolores Bozovic, Ehud Meron, Arik Yochelis

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Frequency locking to an external forcing frequency is a well-known phenomenon. In the auditory system, it results in a localized traveling wave, the shape of which is essential for efficient discrimination between incoming frequencies. An amplitude equation approach is used to show that the shape of the localized traveling wave depends crucially on the relative strength of additive versus parametric forcing components; the stronger the parametric forcing, the more asymmetric is the response profile and the sharper is the traveling-wave front. The analysis qualitatively captures the empirically observed regions of linear and nonlinear responses and highlights the potential significance of parametric forcing mechanisms in shaping the resonant response in the inner ear.

Original languageEnglish
Article number020202
JournalPhysical Review E
Volume98
Issue number2
DOIs
StatePublished - 31 Aug 2018

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