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Quantitative Reappraisal of the Helmholtz-Guyton Resonance Theory of Frequency Tuning in the Cochlea
Author
Source
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-10-19
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Abstract EN
To explore the fundamental biomechanics of sound frequency transduction in the cochlea, a two-dimensional analytical model of the basilar membrane was constructed from first principles.
Quantitative analysis showed that axial forces along the membrane are negligible, condensing the problem to a set of ordered one-dimensional models in the radial dimension, for which all parameters can be specified from experimental data.
Solutions of the radial models for asymmetrical boundary conditions produce realistic deformation patterns.
The resulting second-order differential equations, based on the original concepts of Helmholtz and Guyton, and including viscoelastic restoring forces, predict a frequency map and amplitudes of deflections that are consistent with classical observations.
They also predict the effects of an observation hole drilled in the surrounding bone, the effects of curvature of the cochlear spiral, as well as apparent traveling waves under a variety of experimental conditions.
A quantitative rendition of the classical Helmholtz-Guyton model captures the essence of cochlear mechanics and unifies the competing resonance and traveling wave theories.
American Psychological Association (APA)
Babbs, Charles F.. 2011. Quantitative Reappraisal of the Helmholtz-Guyton Resonance Theory of Frequency Tuning in the Cochlea. Journal of Biophysics،Vol. 2011, no. 2011, pp.1-16.
https://search.emarefa.net/detail/BIM-471994
Modern Language Association (MLA)
Babbs, Charles F.. Quantitative Reappraisal of the Helmholtz-Guyton Resonance Theory of Frequency Tuning in the Cochlea. Journal of Biophysics No. 2011 (2011), pp.1-16.
https://search.emarefa.net/detail/BIM-471994
American Medical Association (AMA)
Babbs, Charles F.. Quantitative Reappraisal of the Helmholtz-Guyton Resonance Theory of Frequency Tuning in the Cochlea. Journal of Biophysics. 2011. Vol. 2011, no. 2011, pp.1-16.
https://search.emarefa.net/detail/BIM-471994
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-471994