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Updated: Aug 14, 2026
09:38
Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
Published on: January 29, 2014
[Age and features of cortical auditory evoked potentials]
Zhurnal Vysshei Nervnoi Deiatelnosti Imeni I P Pavlova
|November 1, 1982
Summary
Auditory evoked potentials (AEP) in children show age-related changes in latency and amplitude. AEP thresholds closely match auditory sensation thresholds, with some variations in younger children.
Area of Science:
- Neuroscience
- Audiology
- Developmental Psychology
Context:
- Auditory evoked potentials (AEP) are crucial for assessing auditory pathway function in children.
- Understanding developmental changes in AEPs is vital for diagnosing hearing impairments.
- Previous research has established general trends, but detailed age-specific data across various frequencies and intensities is needed.
Purpose:
- To investigate the developmental trajectory of auditory evoked potentials (AEP) in children aged 3 to 16 years.
- To analyze changes in peak latencies and amplitudes of AEP components in response to varying acoustic stimuli.
- To compare AEP thresholds with behavioral auditory sensation thresholds across different age groups.
Summary:
- Peak latencies for AEP components P1, N1, P2, and N2 decrease with age by 67.6, 82.0, 65.6, and 32.3 ms, respectively.
- AEP thresholds align with auditory sensation thresholds in 90% of cases; in 10%, electrocortical reactions are 5 dB lower.
- AEP amplitude increases up to 80 dB stimulus intensity, then often decreases, particularly in younger children, correlating with unpleasant sensations.
Impact:
- Provides normative data for AEP development in children, aiding in the interpretation of auditory function.
- Highlights age-related differences in auditory processing and perception.
- Offers insights into the relationship between objective electrophysiological measures and subjective auditory experiences in pediatric populations.
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