Clinical results with a hearing aid and a single-channel vibrotactile device for profoundly deaf adults
AuthorBlamey, P. J.; Dowell, R. C.; Brown, A. M.; Clark, Graeme M.
Source TitleBritish Journal of Audiology
Document TypeJournal Article
CitationsBlamey, P. J., Dowell, R. C., Brown, A. M., & Clark, G. M. (1985). Clinical results with a hearing aid and a single-channel vibrotactile device for profoundly deaf adults. British Journal of Audiology, 19, 203-210.
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The speech perception of a group of 19 adults with post-lingual profound to total hearing loss was tested with nine c1osedset speech tests without lipreading two open-set tests without lipreading and two open-set speech tests with lipreading. The subjects were all prospective cochlear implant patients participating in a clinical trial of the implant and the results reported here were obtained as part of the pre-operative assessment. They were divided into groups on the basis of their prior experience with the aid(s), their speech detection thresholds with the two aids and their personal preferences. Seven of the subjects used a hand-held single-channel vibrotactile device and the other 12 used a powerful conventional hearing aid. Subjects from each group scored significantly better than chance on the closed set tests without lipreading. Training or regular hearing aid use was correlated with good performance on the closed-set tests. No subject showed a significant improvement of the lipreading score when the aid was used as a supplement. The use of sophisticated wearable tactile devices and extensive training may allow a better result, but in this clinical program, neither a hearing aid nor a single channel vibrotactile device greatly benefited the postlingually profoundly deaf adults.
Keywordsotolaryngology; post-lingually deaf; vibrotactile
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- Graeme Clark Collection