Dichotic Listening Can Improve Perceived Clarity of Music in Cochlear Implant Users

Trends in Hearing
Nicolas VannsonJeremy Marozeau

Abstract

Musical enjoyment for cochlear implant (CI) recipients is often reported to be unsatisfactory. Our goal was to determine whether the musical experience of postlingually deafened adult CI recipients could be enriched by presenting the bass and treble clef parts of short polyphonic piano pieces separately to each ear (dichotic). Dichotic presentation should artificially enhance the lateralization cues of each part and help the listeners to better segregate them and thus provide greater clarity. We also hypothesized that perception of the intended emotion of the pieces and their overall enjoyment would be enhanced in the dichotic mode compared with the monophonic (both parts in the same ear) and the diotic mode (both parts in both ears). Twenty-eight piano pieces specifically composed to induce sad or happy emotions were selected. The tempo of the pieces, which ranged from lento to presto covaried with the intended emotion (from sad to happy). Thirty participants (11 normal-hearing listeners, 11 bimodal CI and hearing-aid users, and 8 bilaterally implanted CI users) participated in this study. Participants were asked to rate the perceived clarity, the intended emotion, and their preference of each piece in different listening mode...Continue Reading

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Citations

Feb 28, 2018·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Phoebe E RileyAnthony M Tolisano
Nov 5, 2019·Frontiers in Neuroscience·Steffen SpangmoseJeremy Marozeau
Mar 18, 2019··Qinglin MengChaogang Zhang

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Methods Mentioned

BETA
cochlear implant

Software Mentioned

JMP

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