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Related Concept Videos

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.
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...
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...
Perception of Sound Waves01:01

Perception of Sound Waves

The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
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: Jun 27, 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

Emotion-Specific Associations Between Perceived Sound Quality and Auditory Emotion Recognition in Children With

Erva Degirmenci Uzun1, Buket Utku1, Gizem Özdemir1

  • 1Department of Audiology, Faculty of Health Science, Izmir Bakircay University, Türkiye.

American Journal of Audiology
|June 25, 2026
PubMed
Summary

Children with cochlear implants (CIs) show poorer auditory emotion recognition and quality of life compared to peers. Sound quality perception is linked to recognizing happiness in pediatric CI users.

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Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

Area of Science:

  • Audiology
  • Neuroscience
  • Pediatrics

Background:

  • Cochlear implants (CIs) aim to restore hearing but may impact auditory processing.
  • Understanding auditory emotion recognition and quality of life is crucial for pediatric CI users.

Purpose of the Study:

  • To investigate the relationship between perceived sound quality and auditory emotion recognition in children with CIs.
  • To compare auditory emotion recognition and hearing-related quality of life (HRQoL) between pediatric CI users and normal-hearing peers.

Main Methods:

  • Forty-two children (7-18 years) participated: 21 CI users and 21 controls.
  • Auditory emotion recognition assessed using the Montreal Affective Voices (MAV).
  • Perceived sound quality measured by the Hearing Implant Sound Quality Index Questionnaire (HISQUI19); HRQoL by Hearing Environments and Reflection on Quality of Life (HEAR-QL).

Main Results:

  • CI users performed worse on auditory emotion recognition and reported lower HRQoL than controls.
  • In CI users, perceived sound quality (HISQUI19) correlated positively with happiness recognition.
  • HRQoL correlated with happiness and fear recognition; chronological age with neutral emotion recognition; age at implantation with pain recognition.

Conclusions:

  • Pediatric CI users exhibit deficits in nonverbal auditory emotion recognition and lower HRQoL compared to normal-hearing peers.
  • Perceived sound quality may specifically enhance happiness recognition in pediatric CI users.