Jove
Visualize
Contact Us

Related Experiment Videos

Bilateral cochlear implants in adults and children.

Ruth Y Litovsky1, Aaron Parkinson, Jennifer Arcaroli

  • 1Waisman Center, University of Wisconsin-Madison, 53705, USA. Litovsky@waisman.wisc.edu

Archives of Otolaryngology--Head & Neck Surgery
|May 19, 2004
PubMed
Summary

Bilateral cochlear implants (CIs) show some benefits for adults and children in sound localization and speech understanding. Further study is needed to determine the long-term advantages of bilateral CIs.

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

Auditory Motion Perception by Bilateral Cochlear Implant Users With a Sound Coding Strategy that Synchronizes Peak-Picking Across the Ears.

Trends in hearing·2026
Same author

Cross-Pollinators and Boundary Spanners: Contributions of Ontario Health Team Fellows to Quality Improvement and Evaluation Capacity for Health Systems.

Healthcare quarterly (Toronto, Ont.)·2026
Same author

Binaural sensitivity and processing of envelope-based interaural difference cues by bilateral cochlear implant users with perilingual and postlingual onset of deafness.

The Journal of the Acoustical Society of America·2026
Same author

A prescription for Intraprofessional education: Bridging the gap between pharmacy and pharmacy technician students.

Currents in pharmacy teaching & learning·2026
Same author

Lipocalin-2 Is Induced by Uromodulin Aggregates without Affecting Kidney Disease Progression in Autosomal Dominant Tubulointerstitial Kidney Disease- UMOD.

Journal of the American Society of Nephrology : JASN·2026
Same author

To Ear and Hearing Reviewers: Thank You.

Ear and hearing·2026
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

Area of Science:

  • Audiology and Hearing Science
  • Neuroscience
  • Biomedical Engineering

Background:

  • Bilateral cochlear implantation (CI) is increasingly common for hearing loss.
  • Understanding the benefits of bilateral CIs for sound localization and speech intelligibility in noise is crucial for patient outcomes.
  • Assessing these benefits in both adult and pediatric populations presents unique challenges.

Purpose of the Study:

  • To quantify the improvements in sound localization and speech intelligibility in noise for adults and children with bilateral cochlear implants (CIs).
  • To evaluate the efficacy of specific psychophysical tasks in measuring bilateral CI benefits, particularly in young children.

Main Methods:

  • Seventeen adults and 3 children were tested 3 months post-bilateral CI activation.

Related Experiment Videos

  • Adults underwent sound localization and speech intelligibility tests comparing single CI vs. bilateral CIs.
  • Children were assessed on sound localization, right/left discrimination, and speech intelligibility with single CI vs. bilateral CIs, using engaging computer games.

    • Main Results:

    • Adults demonstrated improved sound localization and speech intelligibility in noise with bilateral CIs, especially when noise was near the poorer ear.
    • Children showed modest improvements in localization and discrimination with bilateral CIs.
    • Speech intelligibility gains varied in children; two showed consistent improvement when noise was on the side of the first CI.

    Conclusions:

    • Bilateral CIs may provide advantages for certain listeners, though benefits may take time to fully emerge.
    • The psychophysical tasks used show promise for measuring bilateral CI benefits, especially in pediatric populations.
    • Longer-term evaluation is recommended to ascertain the full extent of bilateral CI advantages and learning effects.