Cochlear implants for deaf children

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Abstract
Fifteen profoundly deaf patients under the age of 18 years have received a 3M/House cochlear implant. The surgical procedure employed is essentially the same as that used in adults with a few modifications to accommodate for the smaller dimensions of the mastoid process and the thinness of the scalp and temporal squama. Pediatric subjects receive timing and intensity information at similar thresholds as adults implanted with this device which contributes to improvement in speech production to various degrees. All subject groups demonstrated significant language delays as a result of their profound hearing losses. Postimplantation, more growth was seen in receptive than in expressive language skills. However, the growth observed did not exceed that expected in profoundly deaf children as reported in the literature. Language growth as a result of the cochlear implant alone is yet to be documented in our patients.