Evaluation and Significance of Speech Tracking Test with 22-channel Cochlear Implant Patients.

概要

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Speech tracking scores counted in bunsetsu/minute (bpm) were analyzed for 15 patients using 22-channel cochlear implants. Tracking scores were measured individually at intervals of about 1, 3, 5, 8 and 12 weeks after the initial tune-up, under three conditions : cochlear implant alone (CI), lip reading alone (LR) and cochlear implant plus lip reading (CI+LR) . Tracking scores under CI and CI+LR increased along with rehabilitation. At about 12 weeks the average tracking scores were 11.9 bpm for CI, 4.7 bpm for LR and 27.4 bpm for CI + LR. There were significant correlations-particularly in CI + LR and CI-between tracking scores and speech perception scores using recorded materials. These results suggested that speech tracking could be a useful method to assess a person's ability of verbal communication.
日本音声言語医学会の論文