Graeme Clark Collection

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Author: Patrick, James × End date: 1989 × Start date: 1981 × Type: Journal Article × Subject: cochlear implant × Subject: speech perception ×

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    A multiple-channel cochlear implant and wearable speech-processor: an audiological evaluation
    Tong, Y. C. ; Clark, Graeme M. ; Dowell, R. C. ; Martin, L. F. ; Seligman, P. M. ; Patrick, J. F. ( 1981)
    Standard audiological tests were administered to a totally deft multiple-channel cochlear implant patient with a wearable speech-processor in a monitored sound field under the following conditions: a wearable unit activated alone (WA), lipreading with the wearable unit off (LA), and wearable unit activated in combination with lipreading (WL). Thresholds obtained for narrow-band noise signals indicated that the wearable unit allowed the patient to detect a variety of sounds at different frequencies. The results obtained in closed-set word tests and open-set word and sentence tests showed significant improvements in word and sentence scores from LA to WL. In the open-se (C.I.D) sentence tests, the patient scored 22% for LA and 76% for WL. The WL score of 76% correlates with a satisfactory performance in understanding connected speech. The patient also scored 30% correct in a test involving the recognition of environmental sounds.