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Comparison of cochlear delay estimates using otoacoustic emissions and auditory brainstem responses

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Harte, James M., Pigasse, Gilles and Dau, Torsten (2009) Comparison of cochlear delay estimates using otoacoustic emissions and auditory brainstem responses. The Journal of the Acoustical Society of America, Vol.126 (No.3). pp. 1291-1301. doi:10.1121/1.3168508

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Official URL: http://dx.doi.org/10.1121/1.3168508

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Abstract

Different attempts have been made to directly measure frequency specific basilar membrane (BM) delays in animals, e.g., laser velocimetry of BM vibrations and auditory nerve fiber recordings. The present study uses otoacoustic emissions (OAEs) and auditory brainstem responses (ABRs) to estimate BM delay non-invasively in normal-hearing humans. Tone bursts at nine frequencies from 0.5 to 8 kHz served as stimuli, with care taken to quantify possible bias due to the use of tone bursts with different rise times. BM delays are estimated from the ABR latency estimates by subtracting the neural and synaptic delays. This allows a comparison between individual OAE and BM delays over a large frequency range in the same subjects, and offers support to the theory that OAEs are reflected from a tonotopic place and carried back to the cochlear base via a reverse traveling wave.

Item Type: Journal Article
Subjects: Q Science > QP Physiology
R Medicine > RF Otorhinolaryngology
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title: The Journal of the Acoustical Society of America
Publisher: Acoustical Society of America
ISSN: 0001-4966
Official Date: September 2009
Dates:
DateEvent
September 2009Published
Volume: Vol.126
Number: No.3
Number of Pages: 11
Page Range: pp. 1291-1301
DOI: 10.1121/1.3168508
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: GN ReSound A/S, Oticon A/S, Widex A/S

Data sourced from Thomson Reuters' Web of Knowledge

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