The effect of suppression on the periodicity of stimulus frequency otoacoustic emissions: experimental data


Lineton, Ben and Lutman, Mark E. (2003) The effect of suppression on the periodicity of stimulus frequency otoacoustic emissions: experimental data. The Journal of the Acoustical Society of America, 114, (2), 871-882. (doi:10.1121/1.1582437).

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Original Publication URL: http://dx.doi.org/10.1121/1.1582437

Description/Abstract

In a companion paper [Lineton and Lutman, J. Acoust. Soc. Am. 114, 859–870 (2003)], changes in the spectral period of stimulus frequency otoacoustic emissions (SFOAEs) during self-suppression and two-tone suppression were simulated using a nonlinear cochlear model based on the distributed roughness theory of otoacoustic emission generation [Zweig and Shera, J. Acoust. Soc. Am. 98, 2018–2047 (1995)]. The current paper presents the results of an experimental investigation of SFOAE suppression obtained from 20 human subjects. It was found that, in most subjects, the spectral period increased during self-suppression, but reduced during high-side two-tone suppression. This pattern of results is in close agreement with the predictions of the cochlear model, and therefore strongly supports the distributed roughness theory of Zweig and Shera. In addition, the results suggest that the SFOAE spectral period is sensitive to changes in the state of the cochlear amplifier.

Item Type: Article
ISSNs: 0001-4966 (print)
Related URLs:
Subjects: R Medicine > RF Otorhinolaryngology
T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Human Sciences
ePrint ID: 28016
Date Deposited: 03 May 2006
Last Modified: 27 Mar 2014 18:16
Contact Email Address: bl@isvr.soton.ac.uk
URI: http://eprints.soton.ac.uk/id/eprint/28016

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