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Updated: Jun 14, 2026
12:03
A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
Published on: May 25, 2019
Auditory steady-state response in children with cochlear hearing loss
Gabriela Ribeiro Ivo Rodrigues1, Dóris Ruthy Lewis
1Programa de Estudos Pós-Graduados em Fonoaudiologia, Pontifícia Universidade Católica de São Paulo, Brazil. gabrielaivo@hotmail.com
Pro-Fono : Revista De Atualizacao Cientifica
|March 27, 2010
Summary
Auditory steady-state response (ASSR) shows strong agreement with visual reinforcement audiometry (VRA) for pediatric hearing assessments. This technique accurately supports hearing aid selection in children when VRA is not feasible.
Area of Science:
- Audiology
- Pediatric Medicine
- Hearing Science
Background:
- Auditory steady-state response (ASSR) is a promising technique for assessing hearing status in children.
- Accurate hearing assessment is crucial for early intervention and management of hearing loss in pediatric populations.
Purpose of the Study:
- To investigate the agreement between ASSR and visual reinforcement audiometry (VRA) in children.
- To examine the clinical applicability of ASSR for pediatric hearing assessment.
Main Methods:
- The study included 14 children (ages 4-36 months) diagnosed with cochlear hearing loss.
- ASSR was recorded at 0.5, 1, 2, and 4 kHz using multiple simultaneous stimulation.
- ASSR results were compared with VRA findings.
Main Results:
- Strong correlations were found between ASSR and VRA across all tested frequencies.
- Intraclass correlation coefficients ranged from 0.89 to 0.93, indicating high agreement.
- The results demonstrate the reliability of ASSR in pediatric hearing evaluations.
Conclusions:
- ASSR provides accurate data for pediatric hearing assessment.
- ASSR is a viable alternative to VRA when VRA cannot be performed.
- This technique supports informed hearing aid selection for children with hearing loss.
Related Concept Videos
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.
01:31Hearing
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.
01:15Auditory 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...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...