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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...
Auditory Perception01:17

Auditory Perception

The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...

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Related Experiment Video

Updated: Jun 30, 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

Visual stimuli can impair auditory processing in cochlear implant users.

François Champoux1, Franco Lepore, Jean-Pierre Gagné

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

Neuropsychologia
|October 1, 2008
PubMed
Summary
This summary is machine-generated.

Cross-modal plasticity in deaf individuals with cochlear implants can affect auditory performance. Proficient users performed well, but non-proficient users struggled with conflicting visual stimuli.

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Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
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Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

Related Experiment Videos

Last Updated: Jun 30, 2026

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

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Published on: March 24, 2023

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
09:06

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

Area of Science:

  • Neuroscience
  • Audiology
  • Sensory processing

Background:

  • Deaf individuals exhibit cross-modal plasticity, where visual stimuli activate auditory cortical regions.
  • This plasticity may persist after cochlear implantation, potentially impacting auditory function.

Purpose of the Study:

  • To investigate the influence of visual information on auditory performance in cochlear implant (CI) users.
  • To assess the ability to segregate conflicting auditory and visual information in CI users with varying expertise.

Main Methods:

  • Compared 14 CI users and 14 normal-hearing controls.
  • Administered an auditory speech recognition task with incongruent visual stimuli (color-shift, random-dot motion, lip movement).

Main Results:

  • Proficient CI users matched normal-hearing controls across all conditions.
  • Non-proficient CI users performed similarly to controls with color-shift visual stimuli.
  • Non-proficient CI users showed significant deficits with random-dot motion and lip movement visual stimuli.

Conclusions:

  • Cross-modal plasticity impacts auditory performance in non-proficient CI users.
  • Visual stimuli incongruent with auditory information pose challenges for non-proficient CI users.
  • Findings suggest implications for CI rehabilitation strategies.