Bimodal benefit in categorical perception of lexical tones for Mandarin-speaking children with cochlear implants

Hao Zhang, Jing Zhang, Hongwei Ding, Gang Peng

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

Bimodal hearing with the combined use of a cochlear implant (CI) and a contralateral hearing aid (HA) has been demonstrated beneficial for deaf individuals in many aspects of speech perception. However, it remains inconsistent whether CI users can obtain bimodal benefit in lexical tone perception. To disentangle this question, Mandarin-speaking children using a CI and an HA in opposite ears were recruited to conduct perceptual tasks with a tonal continuum varying from Tone 1 to Tone 2. All participants were assessed with CI only and CI + HA conditions. Results showed typical S-shaped
functions for the identification curves in both device conditions. Moreover, a sharper identification boundary and a higher peakedness score have been
exhibited for the CI + HA relative to the CI only condition. The findings suggested that CI children on the whole show categorical perception for Mandarin tones and bimodal hearing could enhance their tonal categorization ability.
Original languageEnglish
Title of host publicationProceedings of the 19th International Congress of Phonetic Sciences (ICPhS 2019)
EditorsSasha Calhoun, Paola Escudero, Marija Tabain, Paul Warren
Pages889-893
ISBN (Electronic)978-0-646-80069-1
Publication statusPublished - Aug 2019
EventThe 19th International Congress of the Phonetic Sciences (ICPhS 2019) - Melbourne, Australia
Duration: 5 Aug 20199 Aug 2019

Conference

ConferenceThe 19th International Congress of the Phonetic Sciences (ICPhS 2019)
Country/TerritoryAustralia
CityMelbourne
Period5/08/199/08/19

Keywords

  • bimodal hearing
  • categorical perception
  • Mandarin tones
  • cochlear implant
  • hearing aid

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