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 Concept Videos

The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
Hair Cells01:22

Hair Cells

Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...

You might also read

Related Articles

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

Sort by
Same author

Effects of Talker Sex Differences on Binaural Summation in Cochlear Implant Users and Normal Hearing Listeners.

Trends in hearing·2026
Same author

Binaural Processing Is Key to Tonal-Language Benefits and Right-Ear Advantage for Segregation of Competing Speech.

Journal of speech, language, and hearing research : JSLHR·2026
Same author

Pilot Chronic Evaluation of a Slanted Electrode Array as an Auditory Nerve Implant.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2026
Same author

Factors affecting binaural fusion in cochlear implant users.

Hearing research·2026
Same author

Targeted inner ear delivery of gadolinium using microbubble-assisted ultrasound in an ovine model.

International journal of pharmaceutics·2026
Same author

Speech Perception in Noise: Do Children Hear Their Peers Differently Than Adults?

Ear and hearing·2026
Same journal

High-resolution depth estimation for multiple wideband sources in deep sea via sparse Bayesian learninga).

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

Depression markers in speech: An approach based on tract variables dynamics.

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

The oyster toadfish (Opsanus tau) alters active and diurnal calling amid vessel noise in New York City.

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

Experimental noise characterisation of phase-locked tandem-rotor in edgewise flight.

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

The tune-text-temporal synergy: Prosodic effects of final segmental weakening in Neapolitan.

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

Monitoring vessel movement above critical offshore infrastructure using distributed acoustic sensing.

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

Related Experiment Video

Updated: May 16, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Channel interaction limits melodic pitch perception in simulated cochlear implants.

Joseph D Crew1, John J Galvin, Qian-Jie Fu

  • 1Department of Biomedical Engineering, University of Southern California, Los Angeles, California 90089, USA. jcrew@hei.org

The Journal of the Acoustical Society of America
|November 14, 2012
PubMed
Summary
This summary is machine-generated.

Channel interaction negatively impacts melodic contour identification in cochlear implant (CI) simulations. Reducing channel interaction is crucial for improving pitch perception in CI users.

Related Experiment Videos

Last Updated: May 16, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Area of Science:

  • Audiology
  • Speech Processing
  • Psychoacoustics

Background:

  • Cochlear implants (CIs) offer limited spectral resolution, affecting melodic pitch perception.
  • This limitation is due to the number of spectral channels and cross-channel interference.

Purpose of the Study:

  • To investigate how channel interaction affects melodic contour identification (MCI).
  • To simulate CI signal processing with varying degrees of channel interaction.

Main Methods:

  • Used novel 16-channel sinewave vocoders.
  • Tested normal-hearing subjects to simulate CI conditions.
  • Manipulated the degree of channel interaction.

Main Results:

  • Melodic contour identification (MCI) performance significantly decreased as channel interaction increased.
  • Higher degrees of channel interaction led to poorer pitch perception accuracy.

Conclusions:

  • While more spectral channels may aid pitch perception, minimizing channel interaction is critical.
  • Improving spectral channel independence is essential for enhancing melodic perception in cochlear implant users.