Graeme Clark Collection

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Author: Blamey, Peter × Author: Busby, Peter × Author: Clark, Graeme × End date: 1999 × Start date: 1990 × Subject: otology × Subject: paediatric otology ×

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    Speech perception, production and language results in a group of children using the 22-electrode cochlear implant
    Blamey, P. J. ; Dawson, P. W. ; Dettman, S. J. ; Rowland, L. C. ; Brown, A. M. ; Busby, P. A. ; Dowell, R. C. ; Rickards, F. W. ; Clark, Graeme M. ( 1992)
    Five children out of a group of nine (aged 5.5 to 19.9 years) implanted with the 22-electrode cochlear implant (Cochlear Ply. Ltd.) have achieved substantial scores on open-set speech tests using hearing without lipreading. Phoneme scores for monosyllabic words ranged from 40% to 72%. Word scores in sentences ranged from 26% to 74%. Four of these five children were implanted during preadolescence. The fifth child, who had a progressive loss and was implanted during adolescence after a short period of very profound deafness, scored highest on all speech perception tests. The remaining four children who did not demonstrate open-set recognition were implanted during adolescence after a long duration of profound deafness. Post-operative performance on closed-set speech perception tests was better than pre-operative performance for all children. Improvements in speech and language assessments were also noted. These improvements tended to be greater for the younger children. The results are discussed with reference to variables which may contribute to successful implant use: such as age at onset, duration of profound hearing loss, age at implantation, aetiology, educational program, and the type of training provided.