Related Experiment Video
Updated: May 13, 2026
06:04
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Relationship between tone perception and production in prelingually deafened children with cochlear implants
Ning Zhou1, Juan Huang, Xiuwu Chen
1School of Rehabilitation and Communication Sciences, Ohio University, Athens, OH 45701, USA.
Summary
Cochlear implants (CI) improve tone perception and production in deafened children speaking tonal languages. Early implantation is key for better outcomes in lexical tone perception and production.
Area of Science:
- Audiology
- Speech-Language Pathology
- Neuroscience
Background:
- Cochlear implant (CI) technology has limitations in representing pitch, impacting tone perception in users of tonal languages.
- Lexical tone perception and production are critical for communication in tonal language speakers.
Purpose of the Study:
- To investigate the correlation between tone perception and production in prelingually deafened pediatric CI users.
- To identify demographic factors influencing performance variability in tone perception and production.
Main Methods:
- Recruited 110 Mandarin-speaking pediatric CI users and 125 normal-hearing controls.
- Assessed lexical tone perception using a computerized test and tone production via acoustic analysis and an artificial neural network.
- Utilized general linear model analysis to identify factors affecting performance.
Main Results:
- CI users scored approximately 67% on tone perception. Tone production differentiation was significantly lower in CI users compared to controls.
- A moderate correlation was found between tone perception and production in CI users.
- Implant duration and age at implantation explained 29% of the variance in tone perception; age at implantation predicted tone production.
Conclusions:
- Accurate tone perception is essential for effective tone production in pediatric CI users.
- Earlier cochlear implantation is associated with improved lexical tone perception and production outcomes.
Related Concept Videos
01:21Perceiving 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...
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...
01:31Hearing
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.
01:13The 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.
01:01Perception 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...
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