Abstract
This report describes results obtained from 92 8- and 9-year-old children who received a Nucleus-22 implant before age 5. Educational and rehabilitation history was obtained from questionnaires completed by parents, cochlear implant centers, and therapists. Speech perception measures included tests of phoneme discrimination (VIDSPAC), closed set word recognition (ESP, WIPI), open set word (LNT) and sentence (BKB) recognition, and visual enhancement (CHIVE). A multivariate analysis was conducted to predict results on speech perception measures from educational variables, while controlling for effects of IQ, socioeconomic status, age at onset of deafness, age at implant, and type of speech processor and map characteristics such as number of active electrodes, dynamic range, and growth of loudness. Results indicate about half of the variance in auditory speech perception is accounted for by factors related to characteristics of the implant itself. However, significant additional variance attributable to rehabilitation factors is observed. Children educated primarily in oral settings showed a significant advantage in speech perception. Amount and type of intervention following implication has a significant impact. [Work supported by NIH.]
Published Version
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