Abstract
The benefits offered by cochlear implants to hearing impaired adults are well documented. As these prostheses have gained clinical acceptance in the rehabilitation of this population, the application of cochlear implants in the management of pre- and postlingually deafened children has increased (OWens & Kessler 1989, Osberger 1989, Busby et al. 1989, Eisenburg et al. 1986).
Highlights
The benefits offered by cochlear implants to hearing impaired adults are well documented
The analysis of the data was performed in the following way: (i) Auditory Impressionistic Transcription (AIT): All K's productions of the stimulus words were transcribed phonetically under the supervision of a phonetician
The reference system for comparative purposes was based on the transcriptions of the productions of the same word lists by a hearing speaker of South African English (SAE)
Summary
The benefits offered by cochlear implants to hearing impaired adults are well documented. Another study by Osberger (1989) reported that a congenitally hearing impaired child who received a multichannel implant at 11 years of age, showed 40% improvement in her ability to ~nvey vowel height, and 25 % improvement in her ability to convey vowel space information. The analysis involved two phases: firstly, the establishment of a reference vowel system for AIT and acoustic analysis that is representative of the local dialect, and secondly, it comparison of analysis procedures in order to comment on the clinical benefit of the procedures The subject of this descriptive case-study is a profoundly hearing impaired, Englishspeaking boy, K, who received a Cochlear 22-channel implant in September 1988 at the age of 9 years 7 months.
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