alexa Cochlear implant use by prelingually deafened children: the influences of age at implant and length of device use.

Journal of Phonetics & Audiology

Author(s): FryaufBertschy H, Tyler RS, Kelsay DM, Gantz BJ, Woodworth GG

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Abstract This study focused on long-term speech perception performances of 34 prelingually deafened children who received multichannel cochlear implants manufactured by Cochlear Corporation. The children were grouped by the age at which they received cochlear implants and were characterized by the amount of time they used their device per day. A variety of speech perception tests were administered to the children at annual intervals following the connection of the external implant hardware. No significant differences in performance are evident for children implanted before age 5 compared to children implanted after age 5 on closed-set tests of speech perception ability. All children demonstrated an improvement in performance compared to the pre-operative condition. Open-set word recognition performance is significantly better for children implanted before age 5 compared to children implanted after age 5 at the 36-month test interval and the 48-month test interval. User status, defined by the amount of daily use of the implant, significantly affects all measures of speech perception performance except pattern perception.
This article was published in J Speech Lang Hear Res and referenced in Journal of Phonetics & Audiology

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