Abstract
A profoundly deaf female infant was identified at age 5 weeks old and provided with a single‐channel, vibrotactile aid at age 6 weeks. Video and audio tapes recorded in the home were analyzed for phonetic and acoustic changes in vocal development and compared to vocal changes in a normal‐hearing, female infant recorded under similar conditions at the same ages. The purpose of this poster session is to demonstrate phonetic and acoustic similarities and differences between noncry vocal behavior of the deaf and normal‐hearing infant during the first 6 months of life. Results of phonetic transcription and measurements of fundamental frequency [F0], duration, and amplitude will be discussed relative to tactile aid usage and Waterson's [1988] theory of prosodic development in the acquisition of speech production. [Work supported by DOE, Grant No. 133 GH70189 and Department of Health and Human Services, Grant No. RR07143.]
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