Graeme Clark Collection

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Author: Dowell, Richard × Author: PYMAN, BRIAN × Author: Seligman, Peter × End date: 1988 × Start date: 1984 × Subject: cochlear prosthesis × Subject: deafness ×

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    Clinical trial of a multi-channel cochlear prosthesis: results on 10 postlingually deaf patients
    Clark, Graeme M. ; Dowell, R. C. ; Pyman, B. C. ; Brown, A. M. ; Webb, R. L. ; Tong, Y. C. ; Bailey, Q. ; Seligman, P. M. ( 1984)
    The clinical trial of a multi-channel cochlear prosthesis has been carried out on 10 profoundly-totally deaf adult patients. Speech perception tests have shown that all the patients received significant benefit from the device. They obtained improvements in understanding running speech from 47% to 550% when using the device in conjunction with lipreading compared to lipreading alone. With an open-set CID sentence test, three patients obtained scores showing an ability to understand speech without the need to lipread, and a further three patients had scores indicating they could also receive useful information without lipreading. In two patients, very limited open-set scores for electrical stimulation alone were obtained. This was most probably due to the fact that only a few channels of stimulation were possible due to cochlear disease and they were therefore receiving information more like a single-channel device. The prosthesis has also been found to provide considerable help in hearing and recognizing everyday sounds.