A multiple-channel cochlear implant and wearable speech-processor: an audiological evaluation
AuthorTong, Y. C.; Clark, Graeme M.; Dowell, R. C.; Martin, L. F.; Seligman, P. M.; Patrick, J. F.
Source TitleActa Oto-Laryngologica
Document TypeJournal Article
CitationsTong, Y. C., Clark, G. M., Dowell, R. C., Martin, L. F., Seligman, P. M., & Patrick, J. F. (1981). A multiple-channel cochlear implant and wearable speech-processor: an audiological evaluation. Acta Oto-Laryngologica, 92, 193-198.
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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.
Keywordsotolaryngology; cochlear implant; speech perception
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- Graeme Clark Collection