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Speech Comprehension in a Deaf Patient with the Cochlear Implant Using Pulses of Very Short Duration Kumiko Yukawa 1 1Department of Otorhinolaryngology, Tokyo Medical College pp.755-760
Published Date 1987/9/20
DOI https://doi.org/10.11477/mf.1492210375
  • Abstract
  • Look Inside

 A 22 channel cochlear implant was implanted in a 40-year-old woman with complete deafness.

 The formant-based speech processing strategy was used, but a narrow pulse width was required because of difficulty in controlling the pulse amplitude.

 The speech tracking scores using the cochlear implant with lip-reading achieved 24 bunsetsues per minute after 3.5 months' of training. Scores of vowel and consonant tests reached 70% and 54% respectively for the cochlear implant alone, and 100% and 73% for the cochlear implant plus lip-reading. This study also showed that cochlear stimulation with very narrow pulse widths can be useful to restore speech comprehension ability.


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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