Modulation rate discrimination using half-wave rectified and sinusoidally amplitude modulated stimuli in cochlear-implant users.

The Journal of the Acoustical Society of America
Heather A KreftDavid A Nelson

Abstract

Detection and modulation rate discrimination were measured in cochlear-implant users for pulse-trains that were either sinusoidally amplitude modulated or were modulated with half-wave rectified sinusoids, which in acoustic hearing have been used to simulate the response to low-frequency temporal fine structure. In contrast to comparable results from acoustic hearing, modulation rate discrimination was not statistically different for the two stimulus types. The results suggest that, in contrast to binaural perception, pitch perception in cochlear-implant users does not benefit from using stimuli designed to more closely simulate the cochlear response to low-frequency pure tones.

Associated Clinical Trials

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Citations

May 2, 2013·Journal of the Association for Research in Otolaryngology : JARO·Heather A KreftAndrew J Oxenham
Apr 4, 2014·International Journal of Audiology·Tan LeeYing-Yee Kong
Jul 19, 2017·Journal of the Association for Research in Otolaryngology : JARO·Kenneth E HancockBertrand Delgutte
Mar 3, 2020·The Journal of the Acoustical Society of America·Martin J LindenbeckSridhar Srinivasan
Dec 5, 2019·The Journal of the Acoustical Society of America·Sean R AndersonMatthew J Goupell
Jan 19, 2021·Hearing Research·Jaime A UndurragaDeborah Vickers
Feb 20, 2021·Ear and Hearing·Natalia StupakDavid M Landsberger

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