TY - GEN
T1 - Nonlinear responses of a nonlinear cochlear model with the function of an outer hair cell model
AU - Murakami, Y.
AU - Unoki, M.
N1 - Funding Information:
This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (No. 20300064).
Publisher Copyright:
© 2008 World Scientific Publishing Co. All rights reserved.
PY - 2008
Y1 - 2008
N2 - To investigate how outer hair cells (OHCs) produce compressive nonlinearity in both the cochlear I/O function and tuning curve for a single tone, we present a nonlinear cochlear model with a nonlinear OHC model. In modeling cochlea filtering, we modeled somatic motility as a function of OHCs and the interaction between the basilar membrane and somatic motility through the tectorial membrane as mechanoelectrical transducer networks. The parameter values of the model were set to the estimates for human data. Signal frequencies of 0.125, 0.25, 0.5, 1, 2, 3, 4, and 6 kHz were used in the simulations of cochlear filtering. The results revealed that this model can account for the compressive nonlinearity in both the I/O functions and tuning curves of a cochlea obtained from the experiments. They also suggest that the somatic motility depending on the transducer currents produces nonlinearities in the I/O functions and tuning curves of cochlea.
AB - To investigate how outer hair cells (OHCs) produce compressive nonlinearity in both the cochlear I/O function and tuning curve for a single tone, we present a nonlinear cochlear model with a nonlinear OHC model. In modeling cochlea filtering, we modeled somatic motility as a function of OHCs and the interaction between the basilar membrane and somatic motility through the tectorial membrane as mechanoelectrical transducer networks. The parameter values of the model were set to the estimates for human data. Signal frequencies of 0.125, 0.25, 0.5, 1, 2, 3, 4, and 6 kHz were used in the simulations of cochlear filtering. The results revealed that this model can account for the compressive nonlinearity in both the I/O functions and tuning curves of a cochlea obtained from the experiments. They also suggest that the somatic motility depending on the transducer currents produces nonlinearities in the I/O functions and tuning curves of cochlea.
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U2 - 10.1142/9789812833785_0054
DO - 10.1142/9789812833785_0054
M3 - Conference contribution
AN - SCOPUS:84883327960
T3 - Concepts and Challenges in the Biophysics of Hearing - Proceedings of the 10th International Workshop on the Mechanics of Hearing, MoH 2008
SP - 343
EP - 349
BT - Concepts and Challenges in the Biophysics of Hearing - Proceedings of the 10th International Workshop on the Mechanics of Hearing, MoH 2008
A2 - Cooper, Nigel P.
A2 - Kemp, David T.
PB - World Scientific Publishing Co. Pte Ltd
T2 - 10th International Workshop on the Mechanics of Hearing - Concepts and Challenges in the Biophysics of Hearing, MoH 2008
Y2 - 27 July 2008 through 31 July 2008
ER -