Reverse propagation of sound in the gerbil cochlea

Tianying Ren

doi:10.1038/nn1216

Reverse propagation of sound in the gerbil cochlea

Tianying Ren

Otolaryngology

Research output: Contribution to journal › Article › peer-review

119 Scopus citations

Abstract

It is commonly believed that the cochlea emits sounds through backward-traveling waves. In the present experiment using a scanning-laser interferometer, I detected forward-traveling but not backward-traveling waves and found that the stapes vibrates earlier than the basilar membrane. These results contradict the current theory and show that the ear emits sounds through the cochlear fluids as compression waves rather than along the basilar membrane as backward-traveling waves.

Original language	English (US)
Pages (from-to)	333-334
Number of pages	2
Journal	Nature Neuroscience
Volume	7
Issue number	4
DOIs	https://doi.org/10.1038/nn1216
State	Published - Apr 2004

ASJC Scopus subject areas

Neuroscience(all)

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title = "Reverse propagation of sound in the gerbil cochlea",

abstract = "It is commonly believed that the cochlea emits sounds through backward-traveling waves. In the present experiment using a scanning-laser interferometer, I detected forward-traveling but not backward-traveling waves and found that the stapes vibrates earlier than the basilar membrane. These results contradict the current theory and show that the ear emits sounds through the cochlear fluids as compression waves rather than along the basilar membrane as backward-traveling waves.",

author = "Tianying Ren",

note = "Funding Information: I thank A.L. Nuttall, P. Gillespie and K. Grosh for comments on an earlier version of the manuscript, E.V. Porsov for writing software, and S. Matthews for technical help. Supported by the National Institute on Deafness and other Communication Disorders (NIDCD), and the National Center for Rehabilitative Auditory Research (NCRAR), Portland Veteran{\textquoteright}s Administration Medical Center. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

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N2 - It is commonly believed that the cochlea emits sounds through backward-traveling waves. In the present experiment using a scanning-laser interferometer, I detected forward-traveling but not backward-traveling waves and found that the stapes vibrates earlier than the basilar membrane. These results contradict the current theory and show that the ear emits sounds through the cochlear fluids as compression waves rather than along the basilar membrane as backward-traveling waves.

AB - It is commonly believed that the cochlea emits sounds through backward-traveling waves. In the present experiment using a scanning-laser interferometer, I detected forward-traveling but not backward-traveling waves and found that the stapes vibrates earlier than the basilar membrane. These results contradict the current theory and show that the ear emits sounds through the cochlear fluids as compression waves rather than along the basilar membrane as backward-traveling waves.

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Reverse propagation of sound in the gerbil cochlea

Abstract

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