Related Experiment Video
Updated: May 22, 2026
06:04
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Perceptual acclimatization post nonlinear frequency compression hearing aid fitting in older children.
Danielle Glista1, Susan Scollie, Jacob Sulkers
1National Centre for Audiology, University of Western Ontario, London, Ontario, Canada. daglista@nca.uwo.ca
Summary
Frequency compression hearing aids offer varying benefits for children's speech perception. Some children require acclimatization time to improve, while others show immediate gains.
Area of Science:
- Audiology
- Speech-Language Pathology
- Hearing Science
Background:
- Speech perception is crucial for language development in children.
- Hearing aids with frequency compression technology aim to improve audibility of high-frequency sounds.
- Understanding acclimatization is key to optimizing hearing aid benefit.
Observation:
- This study assessed speech perception in children (11-18 years) using frequency compression hearing aids.
- Evaluations occurred across baseline, treatment, and withdrawal phases.
- Speech detection, discrimination, and recognition were measured.
Findings:
- Significant treatment effects were observed for speech perception measures in children using frequency compression.
- Individualized responses varied, with some children showing significant acclimatization trends.
- Not all children demonstrated immediate improvements; some required a period of adaptation.
Implications:
- Frequency compression hearing aids yield diverse outcomes in pediatric populations.
- Acclimatization plays a role in the time course of speech perception improvement.
- Personalized hearing aid fitting and follow-up are essential for maximizing benefits in children.
Related Concept Videos
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...
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
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...
01:17Auditory 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...
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.