Abstract
A multichannel electrotactile device for the hearing impaired was evaluated as an aid for speech reception and production with a 12‐year‐old profoundly hearing‐impaired child enrolled in an oral school for the deaf. Over an 8‐month period the subject received training in speech reception skills in a hierarchy of tasks ranging from discrimination of minimal paired words to connected discourse tracking. Aspects of the subject's speech production skills were evaluated by obtaining ratings from a group of teachers of the hearing impaired, who viewed a videotape of the child during syllable production and connected discourse tracking with and without the device. Results of speech reception testing indicated that the device allowed good discrimination of minimal paired words based on manner contrasts, but poor discrimination based on place contrasts. During tracking, lipreading‐pulse‐tactile aid conditions were superior to lipreading alone. Results of the speech production evaluation showed that syllable identification was better and ratings on several aspects of speech production were higher under tactile aid conditions. [Work supported by NIH.]
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