ArticleThe Journal of the Acoustical Society of America2019
Constraints imposed by zero-crossing invariance on cochlear models with two mechanical degrees of freedom.
Article in The Journal of the Acoustical Society of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Gain-Delay Decoupling in Human Stimulus Frequency Otoacoustic Emissions Reveals Constraints on Cochlear Nonlinear Amplification.Journal of the Association for Research in Otolaryngology : JARO · 2026Article
- An alternative pathway for delivery of power by outer hair cells to cochlear traveling waves.Hearing research · 2026Article
- Optimal Scale-Invariant Wavelet Representation and Filtering of Human Otoacoustic Emissions.Journal of the Association for Research in Otolaryngology : JARO · 2024Review
- Intracochlear overdrive: Characterizing nonlinear wave amplification in the mouse apex.The Journal of the Acoustical Society of America · 2023Article
- Broad nonlinearity in reticular lamina vibrations requires compliant organ of Corti structures.Biophysical journal · 2023Article
- Crucial 3-D viscous hydrodynamic contributions to the theoretical modeling of the cochlear response.The Journal of the Acoustical Society of America · 2023Article
- Overturning the mechanisms of cochlear amplification via area deformations of the organ of Corti.The Journal of the Acoustical Society of America · 2022Article
- Does the "Reticular Lamina Nonlinearity" Contribute to the Basal DPOAE Source?Journal of the Association for Research in Otolaryngology : JARO · 2020Article
- Nonlinear cochlear mechanics without direct vibration-amplification feedback.Physical review researchArticle
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4 authors.
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Abstract
The zero crossings of basilar-membrane (BM) responses to clicks are nearly independent of stimulus intensity. This work explores the constraints that this invariance imposes on one-dimensional nonlinear cochlear models with two degrees of freedom (2DoF). The locations of the poles and zeros of the BM admittance, calculated for a set of linear models in which the strength of the active force is progressively decreased, provides a playground for evaluating the behavior of a corresponding nonlinear model at increasing stimulus levels. Mathematical constraints on the model parameters are derived by requiring that the poles of the admittance move horizontally in the s-plane as the active force is varied. These constraints ensure approximate zero-crossing invariance over a wide stimulus level range in a nonlinear model in which the active force varies as a function of the local instantaneous BM displacement and velocity. Two different 2DoF models are explored, each capable of reproducing the main qualitative characteristics of the BM response to tones (i.e., the tall and broad activity pattern at low stimulus levels, the large gain dynamics, and the partial decoupling between gain and phase). In each model, the motions of the two masses are compared with response data from animal experiments.
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