Abstract
Two 8-year-old profoundly deaf children were trained to use contrastive stress with a visual display, and auditory and acoustic analysis of pre- and post-training data was carried out. After training, one subject produced appropriate pitch contours, and changes in F 0, duration, and intensity on contrastively stressed syllables resembled those of the hearing subject. Some generalization of newly acquired skills was observed. The other subject was less successful and unable to convey contrastive stress, but duration and Fo measurements showed some improvement. Results, however, indicate that appropriate durational contrasts are sometimes insufficient or obscured by irregularities such as inappropriate Fo movement.
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