新生児聴覚スクリーニングで発見された聴覚障害児の小学校就学時点での評価

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  • Evaluation of hearing impaired children before starting elementary school, who have been identified by newborn hearing screening

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Language development was evaluated among 7 hearing-impaired, school-aged children who were identified through newborn hearing screening. Six of the 7 cases were enrolled into our intervention program before they were 6 months of age and their hearing levels were finally confirmed by 10 months of age. No additional developmental delay was observed in 5 of the 7 cases and their monosyllable speech perception and speech intelligibility developed fairly well. Among these children, 4 children who used cochlear implants showed a normal range of language development as assessed by WPPSI. A borderline mentally retarded case with a cochlear implant developed her monosyllable speech perception and speech intelligibility in a fair manner, although she still showed mild delay in her language development. A patient who showed poor intra-postoperative NRT preferred to use visually presented information and demonstrated poor speech perception as well as speech intelligibility. His language skills gradually developed after addition of visual modalities. Greater benefit can be expected by combining available methods in accompaniment with newborn hearing screening and cochlear implants. These methods will become one of models for intervention in deaf children.

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