Mothers’ speech to hearing-impaired infants with cochlear implants

Document Type

Article

Publication Date

January 2006

Publication Title

Infancy

First Page

221

Last Page

240

DOI

https://doi.org/10.1207/s15327078in1003_2

Abstract

This study investigated the effects of age, hearing loss, and cochlear implantation on mothers’ speech to infants and children. We recorded normal-hearing (NH) mothers speaking to their children as they typically would do at home and speaking to an adult experimenter. Nine infants (10-37 months) were hearing-impaired and had used a cochlear implant (CI) for 3 to 18 months. Eighteen NH infants and children were matched either by chronological age (10-37 months) or hearing experience (3-18 months) to the CI children. Prosodic characteristics such as fundamental frequency, utterance duration, and pause duration were measured across utterances in the speech samples. The results revealed that mothers use a typical infant-directed speech style when speaking to hearing-impaired children with CIS. The results also suggested that NH mothers speak with more similar vocal styles to NH children and hearing-impaired children with CIS when matched by hearing experience rather than chronological age. Thus, mothers are sensitive to hearing experience and linguistic abilities of their NH children as well as hearing-impaired children with CIS

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