Auditory/Vibratory Perception of Syllabic Structure in Words by Profoundly Hearing-Impaired Children

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Abstract
Sixty monosyllabic, disyllabic and trisyllabic words were recorded and presented at different times through earphones and vibrators to 20 normal-hearing adults and to 20 profoundly hearing-impaired children to evaluate their perception of number of syllables. Vibratory perception by the profoundly hearing-impaired and normal-hearing subjects and auditory perception by the profoundly hearing-impaired subjects were similar. Their responses could be predicted by counting the number of prominent energy bursts displayed on the screen of a storage oscilloscope. The subjects'' responses obtained under these conditions differed considerably from normal auditory perception, which could be predicted by dictionary criteria for syllabification. There may be a need for a special perceptual viewpoint in teaching stress or prosody to profoundly hearing-impaired children.

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