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  • Title: [Speech recognition and language development in prelingually deafened children with multichannel cochlear prosthesis].
    Author: Cao K, Wei C, Wang Z, Jiao Z, Li Y.
    Journal: Zhonghua Er Bi Yan Hou Ke Za Zhi; 2000 Feb; 35(1):16-9. PubMed ID: 12768681.
    Abstract:
    OBJECTIVE: To assess the development of hearing and language in prelingually deafened children with implanted multichannel cochlear prosthesis from the mandarin-speaking area, and to explore the basic pattern of speech recognition and language development as well as influencing factors. METHODS: Twenty-five prelingually deafened children and youths with cochlear implant participated in this study. Using "Evaluating method on hearing and speech rehabilitation in deafened children" as a test material. These materials consist of speech and environment sound discrimination, closed-set and open-set speech recognition and language development tests. RESULTS: All patients had the ability to hear sound and could discriminate different categorical sounds. Results indicated that the score of closed-set test exceeded the chance level. The correct recognition rate was escalating with prolonging the implanted time. Contrarily, the correct recognition rate was de-escalating as implanted age increased. Subjects having significant open-set speech recognition half year after the operation, indicated that the cochlear implant can promote prelingually deafened children to develop their speech level. CONCLUSION: Once the diagnosis of profoundly sensorineural hearing loss is made, the optimal treatment of choices is cochlear implant and speech rehabilitation.
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