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Related Concept Videos

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...
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.

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Related Experiment Video

Updated: May 24, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

Audiovisual segregation in cochlear implant users.

Simon Landry1, Benoit A Bacon, Jacqueline Leybaert

  • 1Centre de Recherche en Neuropsychologie et Cognition, Montréal, Québec, Canada.

Plos One
|March 20, 2012
PubMed
Summary

Cochlear implant (CI) users proficient in speech recognition perform similarly to normal-hearing individuals in audiovisual tasks. Non-proficient CI users, however, exhibit distinct audiovisual segregation patterns, highlighting skill-based differences.

Related Experiment Videos

Last Updated: May 24, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

Area of Science:

  • Neuroscience
  • Audiology
  • Speech and Hearing Sciences

Background:

  • Cochlear implant (CI) users were previously assumed to perform atypically in audiovisual tasks.
  • Recent research suggests audiovisual interaction differences in CI users may depend on speech recognition proficiency.

Purpose of the Study:

  • To investigate audiovisual segregation abilities in CI users with varying speech recognition skills.
  • To determine if speech recognition proficiency influences audiovisual interactions in CI users.

Main Methods:

  • Assessed speechreading abilities in proficient CI users, non-proficient CI users, and normal controls.
  • Administered a visual speech recognition task with auditory distractors (noise, reversed speech, unaltered speech) or in silence.

Main Results:

  • Proficient CI users performed comparably to normal controls across all conditions.
  • Non-proficient CI users demonstrated significantly different audiovisual segregation in the presence of speech distractors.

Conclusions:

  • Normal-like audiovisual segregation is achievable for highly skilled CI users.
  • Proficient and non-proficient CI users should not be grouped together in audiovisual studies.
  • Speech recognition skill is a critical factor in understanding CI users' audiovisual interactions.