Abstract
Engineering of sensory supplements that are sufficiently small in size, light in weight, and adequate protocols for measuring device efficacy have long been problems for those involved in designing vibrotactile aids for preschool-aged deaf children. Contributing to the engineering variables influencing tactile aid development are the problems of how to elicit representative samples of spontaneous speech production before, during, and after tactile aid usage and how to quantify effects of tactile aid usage on speech production of children who exhibit nonnormal articulatory patterns. Since visual displays presented on microprocessors are reported to be effective elicitors of vocal output, available databases on articulatory and acoustic characteristics of hearing and hearing-impaired preschoolers, primary acoustic parameters known to influence intelligibility, and available data suggesting effects of tactile aids on speech production were incorporated to design graphic stimuli to elicit speech from 3- to 5-year-old deaf tactile aid users. The purpose of this poster session is to discuss the theoretical basis for selection of stimuli, to demonstrate the protocol for eliciting spontaneous productions, and to present the planned articulatory and acoustic measurements. [Work supported by DOE, Grant No. 133 GH70189.]
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