Graeme Clark Collection

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Author: Busby, Peter × Author: Dowell, Richard × End date: 1999 × Start date: 1990 × Type: Journal Item × Subject: audiology × Subject: cochlear implant ×

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    Speech perception results in children using the 22-electrode cochlear implant [Abstract]
    Dawson, P. W. ; Blamey, P. J. ; Rowland, L.C. ; Dettman, S. J. ; Altidis, P. M. ; Clark, Graeme M. ; Busby, P. A. ; Brown, A. M. ; Dowell, R. C. ; Rickards, F. W. ( 1990)
    Twenty-one profoundly hearing impaired children ranging in age from 3 to 20 years have been implanted with the 22-electrode cochlear implant (Cochlear Pty ltd) at the University of Melbourne Cochlear Implant Clinic. Five children (aged 6.0 to 14.8 years) have achieved substantial scores on open set speech tests using hearing without lipreading. Phoneme scores in monosyllabic words ranged from 30% to 72%. Word scores in sentences ranged from 26% to 74%. Four of these five children were implanted during preadolescence and the fifth who had a progressive loss, was implanted during adolescence. Eight children (aged 3.0 to 11 years), have either been implanted recently or are too young for detailed assessments. However some have shown using closed set speech perception tests or vowel imitation tasks, that they are beginning to use the auditory input provided by the implant. The remaining children (aged 13.11 to 20.1 years) have not demonstrated open set recognition but are all full time users of the device. This group was implanted during adolescence after a long duration of profound deafness. The results will be discussed with reference to a number of variables which may contribute to successful implant use; such as age of onset of deafness, duration of deafness. age of implantation, educational program and type of training.