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Journal of Speech, Language, and Hearing Research Vol.45 1276-1284 December 2002. doi:10.1044/1092-4388(2002/102)
© American Speech-Language-Hearing Association
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Influence of Hearing Loss on the Perceptual Strategies of Children and Adults

Andrea L. Pittman 1
Patricia G. Stelmachowicz 1
Dawna E. Lewis 1

Brenda M. Hoover 1
1 Boys Town National Research Hospital Omaha, NE

pittmana{at}boystown.org

To accommodate growing vocabularies, young children are thought to modify their perceptual weights as they gain experience with speech and language. The purpose of the present study was to determine whether the perceptual weights of children and adults with hearing loss differ from those of their normal-hearing counterparts. Adults and children with normal hearing and with hearing loss served as participants. Fricative and vowel segments within consonant-vowel-consonant stimuli were presented at randomly selected levels under two conditions: unaltered and with the formant transition removed. Overall performance for each group was calculated as a function of segment level. Perceptual weights were also calculated for each group using point-biserial correlation coefficients that relate the level of each segment to performance. Results revealed child-adult differences in overall performance and also revealed an effect of hearing loss. Despite these performance differences, the pattern of perceptual weights was similar across all four groups for most conditions.

KEY WORDS: children, adults, speech perception, perceptual strategies

Submitted on September 14, 2001
Accepted on March 21, 2002


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