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- Title
Vocabulary Growth in Mandarin-Speaking Children With Bilateral Cochlear Implants, Bimodal Stimulation, or Unilateral Cochlear Implants During the First Year After Activation.
- Authors
Lei Xu; Jianfen Luo; Min Wang; Dianzhao Xie; Xiuhua Chao; Jinming Li; Xianqi Liu; Shuman He; Spencer, Linda; Ling-Yu Guo
- Abstract
Purpose: The purpose of this study was to evaluate vocabulary development in Mandarin-speaking children with bilateral cochlear implants (CIs), bimodal stimulation (CI plus hearing aids [HAs]), or unilateral CIs during the first year after CI activation. Method: Participants included 23 children with simultaneous bilateral CIs, 23 children with bimodal stimulation, and 15 children with unilateral CIs. They all received CIs before 30 months of age. Parents were asked to endorse words that their child could understand only or understand and say using the Early Vocabulary Inventory for Mandarin Chinese at the day of CI activation and 1, 3, 6, 9, and 12 months after CI activation. Receptive and expressive vocabulary sizes were computed. Results: Growth curve analysis revealed that children with simultaneous bilateral CIs demonstrated faster growth of receptive vocabulary than those with bimodal stimulation, followed by those with unilateral CIs. Moreover, children with simultaneous bilateral CIs reached the 100-word mark for receptive vocabulary earlier than children with bimodal stimulation, followed by those with unilateral CIs. There were no significant differences among the three groups in expressive vocabulary. Conclusions: Bilateral CIs have an advantage over bimodal stimulation in early receptive vocabulary development in Mandarin, a tone language. HA usage is still recommended for those who receive one CI.
- Subjects
VOCABULARY; COCHLEAR implants; MANDARIN dialects; CHILD development; TONE (Phonetics); LANGUAGE acquisition
- Publication
Journal of Speech, Language & Hearing Research, 2022, Vol 65, Issue 4, p1630
- ISSN
1092-4388
- Publication type
Article
- DOI
10.1044/2021_JSLHR-21-00454