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Related Concept Videos

Hearing01:31

Hearing

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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.
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Auditory Perception01:17

Auditory Perception

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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...
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Auditory Pathway01:15

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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...
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The Cochlea01:13

The Cochlea

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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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The Auditory Ossicles01:11

The Auditory Ossicles

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
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Anatomy of the Ear01:16

Anatomy of the Ear

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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Related Experiment Video

Updated: Jan 10, 2026

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

Published on: March 24, 2023

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Everyday Auditory Environment Among Elderly Cochlear Implant Users.

Ulrika Larsson1, Ulrika Löfkvist2, Karin Hallin1

  • 1Department of Surgical Sciences, Otorhinolaryngology and Head and Neck Surgery, Uppsala University, 751 05 Uppsala, Sweden.

Audiology Research
|November 24, 2025
PubMed
Summary
This summary is machine-generated.

Social engagement, not just cochlear implant (CI) use time, significantly improves speech perception in retired older adults. Regular social activities enhance communication benefits for CI users.

Keywords:
agedcochlear implantssocial interaction

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Area of Science:

  • Audiology
  • Gerontology
  • Rehabilitation Science

Background:

  • Cochlear implants (CI) aim to improve oral communication for adults.
  • Understanding CI usage patterns in retired older adults is crucial for optimizing benefits.
  • Factors influencing speech perception in this demographic require investigation.

Purpose of the Study:

  • To assess daily cochlear implant (CI) usage duration in retired older adults.
  • To identify auditory environments utilized by retired CI users.
  • To examine the impact of usage time, environment, and social factors on CI speech perception.

Main Methods:

  • A questionnaire gathered data on retirement status, living situation, education, and social activity participation.
  • Speech perception scores were sourced from medical records.
  • Cochlear implant (CI) datalogging provided usage metrics.

Main Results:

  • Seventy-three retired CI users over 65 participated.
  • Average daily CI usage was 12.9 hours.
  • No significant correlation found between CI usage duration and speech perception.
  • Regular social interaction correlated with significantly higher CI speech perception (p=0.003).

Conclusions:

  • Social interaction is vital for maintaining and enhancing speech perception in elderly CI users.
  • Active participation in social life and communication opportunities maximize CI benefits.
  • Future interventions should consider social engagement to support auditory rehabilitation.