High-frequency hearing influences lower-frequency distortion-product otoacoustic emissions

D J Arnold1, B L Lonsbury-Martin, G K Martin

  • 1Department of Otolaryngology, University of Miami Ear Institute, Fla 33101, USA.

Summary

Distortion-product otoacoustic emissions (DPOAEs) can detect reduced cochlear function even with normal hearing sensitivity. Ultra-high frequency (UHF) hearing significantly influences DPOAEs at lower frequencies, indicating subtle outer hair cell changes.

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