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Clarion cochlear implant: short-term effects on voice parameters
The American Journal of Otology
|December 10, 1997
Summary
Clarion cochlear implants enable early auditory control of voice in deaf patients. This technology improves voice quality and intensity control shortly after activation, aiding rehabilitation.
Area of Science:
- Audiology
- Speech Science
- Biomedical Engineering
Background:
- Assessing auditory feedback's role in voice production is crucial for cochlear implant users.
- Early evaluation of voice control post-implantation informs rehabilitation strategies.
Observation:
- Voice quality, intonation, and intensity control were evaluated in nine deaf subjects after Clarion cochlear implant activation.
- Perceptive and electroacoustic analyses were performed immediately post-activation, before device fitting.
Findings:
- Patients demonstrated improved voice intensity control and reduced nasal quality.
- Significant reductions in fundamental frequency (F0) and improvements in vocal format definition were observed.
- Auditory feedback from the Clarion implant facilitated moment-to-moment voice modulation.
Implications:
- The Clarion cochlear implant provides immediate auditory feedback for voice regulation.
- Monitoring voice parameters during initial fitting can optimize cochlear implant rehabilitation.
- This study highlights the potential for early auditory feedback to shape vocalization in implant users.