A 12-consonant confusion study on a multiple-channel cochlear implant patient
AuthorDowell, R. C.; Martin, L. F. A.; Tong, Y. C.; Clark, Graeme M.; Seligman, P. M.; Patrick, J. F.
Source TitleJournal of Speech and Hearing Research
Document TypeJournal Article
CitationsDowell, R. C., Martin, L. F. A., Tong, Y. C., Clark, G. M., Seligman, P. M., & Patrick, J. F. (1982). A 12-consonant confusion study on a multiple-channel cochlear implant patient. Journal of Speech and Hearing Research, December, 25, 509-516.
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A consonant confusion study was undertaken on a multiple-channel cochlear implant patient using a wearable speech processing device. This patient suffered from total bilateral deafness acquired postlingually. The consonants /b/, /p/, /m/, /v/, /f/, /d/, /t/,/n/, /z/, /s/, /g/, /k/ were presented in VCV context with the vowel /a/ as in father by a male and female speaker under three conditions: lipreading alone; electrical stimulation alone using the wearable speech processor and multiple-channel cochlear implant; lipreading in conjunction with electrical stimulation. No significant difference was detected between the results for the male and female speakers. The percentage correct scores for the pooled results of both speakers were lipreading alone - 30%; electrical stimulation alone - 48%; lipreading with electrical simulation - 70%. Performance was significantly better for lipreading with electrical stimulation than for lipreading alone and for electrical stimulation alone than for lipreading alone. An information transmission analysis demonstrated the effective integration of visual and auditory information for lipreading with electrical stimulation. There was a significant improvement in performance for the electrical stimulation alone condition over the 2 months of the study in contrast to no such improvement for lipreading alone.
Keywordsotolaryngology; cochlear implant; speech processor
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- Graeme Clark Collection