Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Effects of stimulus level on speech perception with cochlear prostheses.

Kevin H Franck1, Li Xu, Bryan E Pfingst

  • 1Kresge Hearing Research Institute, Department of Otolaryngology, University of Michigan Health System, Ann Arbor 48109-0506, USA.

Journal of the Association for Research in Otolaryngology : JARO
|July 16, 2002
PubMed
Summary

Optimizing stimulus level in cochlear implants can improve speech perception. Adjusting sound processor settings based on individual dynamic range enhances syllable identification, especially for consonant and vowel sounds.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Does simple impedance reflect intrascalar tissue in the implanted cochlea?

Hearing research·2025
Same author

Contributions of Auditory Nerve Density and Synchrony to Speech Understanding in Older Cochlear Implant Users.

Journal of the Association for Research in Otolaryngology : JARO·2025
Same author

Reexamining the effects of electrode location on measures of neural health in cochlear implant users.

JASA express letters·2023
Same author

Association of Aging and Cognition With Complex Speech Understanding in Cochlear-Implanted Adults: Use of a Modified National Institutes of Health (NIH) Toolbox Cognitive Assessment.

JAMA otolaryngology-- head & neck surgery·2023
Same author

Cochlear Health and Cochlear-implant Function.

Journal of the Association for Research in Otolaryngology : JARO·2023
Same author

Components of impedance in a cochlear implant animal model with TGFβ1-accelerated fibrosis.

Hearing research·2022

Area of Science:

  • Audiology
  • Biomedical Engineering
  • Speech Processing

Background:

  • Cochlear implant (CI) function is influenced by stimulus features like level.
  • Temporal and place discrimination in CI users vary with stimulus level.
  • Understanding stimulus level effects on speech perception is crucial for CI optimization.

Purpose of the Study:

  • To investigate the impact of stimulus level on syllable identification in cochlear implant users.
  • To test if syllable identification varies with stimulus level.
  • To determine if stimulus level and electrode configuration interact to affect syllable identification.

Main Methods:

  • Examined vowel and consonant identification across stimulus levels (0-90% of dynamic range) using bipolar and monopolar configurations.

Related Experiment Videos

  • Utilized experimental processor maps with equated stimulation limits.
  • Tested eight adult subjects with Nucleus CI24M implants using the SPEAK processing strategy.

    • Main Results:

    • Syllable identification generally improved with increasing stimulus level in the lower dynamic range.
    • Performance varied in the upper dynamic range; some showed improvement, others plateaued or declined.
    • Monopolar stimulation showed more performance decreases at high levels compared to bipolar.

    Conclusions:

    • Syllable identification is significantly influenced by stimulus level and electrode configuration.
    • Optimizing stimulus level in speech processors can potentially enhance speech perception for cochlear implant users.
    • Individualized programming based on dynamic range may improve CI outcomes.