Tone perception in Mandarin-speaking children with cochlear implants

International Journal of Audiology
Gang LiYun Zheng

Abstract

To evaluate the effects of implant age and duration of implantation on development of Mandarin tone perception in paediatric cochlear implant recipients. Retrospective cross-sectional evaluation of tone perception, as assessed with the Mandarin Early Speech Perception test at 3, 6, 12, 24, 36 and 48 months after activation. A total of 143 subjects, 60 girls and 83 boys unilaterally implanted at 1-4 years of age comprised the sample. All the subjects were implanted with devices from one of three manufacturers. Regardless of implant age, approximately 80% of the subjects obtained overall tone discrimination scores significantly above chance by 4 years after implantation, and average discrimination accuracy increased from approximately 68% to 79%. Acoustically distinct tones 1 and 4 were discriminated and recognised more accurately, while less distinct tones 2 and 3 were discriminated and recognised less accurately. Large individual differences in performance were evident. Most Mandarin-speaking paediatric CI recipients discriminate tones above chance at 5 years of age with accuracy comparable to that of children with normal hearing at 2 years of age. Modest benefits of early implantation are evident.

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Citations

Jan 17, 2020·International Journal of Audiology·Mareike Billinger-FinkeCornelia Batsoulis
Jan 26, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ying ChenHao Wu
Jan 26, 2020·International Journal of Pediatric Otorhinolaryngology·Bei LiHao Wu
Sep 25, 2021·Language and Speech·Yuan ZhangGang Li

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