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

Modulation detection interference in cochlear implant subjects

L M Richardson1, P A Busby, G M Clark

  • 1Department of Otolaryngology, University of Melbourne, Victoria, Australia.

The Journal of the Acoustical Society of America
|July 22, 1998
PubMed
Summary
This summary is machine-generated.

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

A phase I and pharmacokinetic trial of terephthalamidine (NSC 57155) as a 120-hour continuous infusion.

Investigational new drugs·1998
Same author

Chronic study on the neuronal excitability of the cochlear nuclei of the cat following electrical stimulation.

Acta oto-laryngologica·1998
Same author

Studies of prosody perception by cochlear implant patients.

Audiology : official organ of the International Society of Audiology·1998
Same author

Enzyme-linked immunoabsorbent assay-detected p53 protein accumulation: a prognostic factor in a large breast cancer cohort.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology·1998
Same author

Intracellular responses of the rat anteroventral cochlear nucleus to intracochlear electrical stimulation.

Brain research bulletin·1998
Same author

Intracochlear factors contributing to psychophysical percepts following cochlear implantation.

Acta oto-laryngologica·1998
Same journal

Reducing computational complexity in adaptive sound zones with online room impulse response estimation.

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

Small-sample unbiased linear coherence estimators for a complex Gaussian random process.

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

Automated detection and annotation of toothed-whale whistles using transformer-based instance segmentation.

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

Effect of temperature and concentration on the thermo-acoustic behavior of vitamin B5 (d-Panthenol) solutions in the presence of glycol additives.

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

The visome: Using cognitive networks to examine lip-reading errors in English words.

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

Resident subjective annoyance responses to combined road traffic and train-induced structure-borne noise: Effects of sound environment.

The Journal of the Acoustical Society of America·2026
See all related articles

Cochlear implant users showed increased difficulty detecting amplitude modulated signals when a second electrode was also stimulated. This interference was greater with stronger masking modulation and closer electrode spacing.

Area of Science:

  • Auditory Neuroscience
  • Biomedical Engineering
  • Cochlear Implant Technology

Background:

  • Cochlear implants (CIs) restore hearing by electrically stimulating the auditory nerve.
  • Understanding electrical interactions between electrodes is crucial for optimizing CI speech perception.
  • Modulation detection interference (MDI) can impact the clarity of sound processed by CIs.

Purpose of the Study:

  • To investigate how masking modulation on a second electrode affects detection thresholds of amplitude modulated signals on a test electrode in CI users.
  • To examine the influence of spatial separation and modulation intensity on this interference.

Main Methods:

  • Four post-linguistically deafened CI users participated.
  • Modulation detection thresholds were measured on a test electrode with and without modulated masking on a second electrode.

Related Experiment Videos

  • Spatial separation (0-5 electrodes) and masking modulation levels (24-96%) were varied.

    • Main Results:

    • Unmodulated masking caused a slight elevation in detection thresholds.
    • Modulation detection interference (MDI) increased with higher masking modulation levels.
    • MDI was more pronounced with smaller spatial separations between electrodes, suggesting neural overlap.

    Conclusions:

    • Electrical interactions between electrodes significantly impact modulation detection in CI users.
    • Spatial separation and modulation intensity are key factors influencing MDI.
    • Findings suggest that optimizing electrode selection and stimulation parameters can mitigate interference and improve sound processing.