Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/82676
Title: Empirical and biophysical estimations of human cochlea’s psychophysical tuning curve sharpness
Authors: Chan, Wei Xuan
Kim, Namkeun
Yoon, Yong-Jin
Keywords: Otoacoustic emissions
Psychophysical measurements
Issue Date: 2016
Source: Chan, W. X., Kim, N., & Yoon, Y.-J. (2016). Empirical and biophysical estimations of human cochlea’s psychophysical tuning curve sharpness. AIP Advances, 6(1), 015205-.
Series/Report no.: AIP Advances
Abstract: Despite the advances in cochlear research, the estimation of auditory nerve fiber frequency tuning of human cochlea is mostly based on psychophysicalmeasurements. Although efforts had been made to estimate human frequency tuning sharpness from various physiological measurements which are less species dependent such as the compound action potential and stimulus-frequency otoacoustic emission delay, conclusions on the relative frequency tuning sharpness compared with that of other mammals vary. We simulated the biophysical human cochlea’s tuning curve based on physiological measurements of human cochlea and compared the human frequency tuning sharpness with results from empirical methods as well as experimental data of other mammalian cochleae. The compound action potential are more accurate at frequencies below 3 kHz while the stimulus frequency-otoacoustic emission delay are more accurate at frequencies above 1 kHz regions. The results from mechanical cochlearmodels, with support from conclusions of the other two empirical methodologies, suggest that the human frequency tuning sharpness at frequencies below 1 kHz is similar to common laboratory mammals but is exceptionally sharp at higher frequencies.
URI: https://hdl.handle.net/10356/82676
http://hdl.handle.net/10220/40264
ISSN: 2158-3226
DOI: 10.1063/1.4939863
Rights: © 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles
MAE Journal Articles

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