Detection of hearing loss using 2f2-f1 and 2f1-f2 distortion-product otoacoustic emissions. |
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| Authors: | Tracy S Fitzgerald Beth A Prieve |
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| Affiliation: | Syracuse University, Syracuse, NY, USA. tfitzgerald@hesp.umd.edu |
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| Abstract: | Although many distortion-product otoacoustic emissions (DPOAEs) may be measured in the ear canal in response to 2 pure tone stimuli, the majority of clinical studies have focused exclusively on the DPOAE at the frequency 2f1-f2. This study investigated another DPOAE, 2f2-f1, in an attempt to determine the following: (a) the optimal stimulus parameters for its clinical measurement and (b) its utility in differentiating between normal-hearing and hearing-impaired ears at low-to-mid frequencies (
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