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Updated: Jul 10, 2025
06:34
Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
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Impact of Prematurity on Auditory Processing in Children
Maria Y Boboshko1,2, Irina V Savenko2, Ekaterina S Garbaruk2,3
1Department of Higher Nervous Activity and Psychophysiology, St. Petersburg State University, 199034 St. Petersburg, Russia.
Summary
Premature birth impairs auditory system development, leading to processing difficulties. Early intervention is key for improving hearing outcomes in these children.
Area of Science:
- Neuroscience
- Audiology
- Developmental Pediatrics
Background:
- Prematurity is a significant risk factor for auditory system maturation deficits.
- Children born preterm exhibit elevated incidence of hearing impairments and auditory processing disorders.
- Auditory processing issues may stem from central auditory system developmental disturbances or peripheral hearing loss-induced sensory deprivation.
Purpose of the Study:
- To investigate auditory processing abilities in children born preterm.
- To assess temporal processing and speech intelligibility using psychoacoustic tests.
- To compare auditory performance between preterm children and healthy full-term controls.
Main Methods:
- A cohort of 241 children (6-11 years old) including 136 preterm and 105 full-term controls were evaluated.
- Preterm children were categorized into normal hearing (NH), sensorineural hearing loss (SNHL), and auditory neuropathy spectrum disorder (ANSD) groups.
- Psychoacoustic tests were administered to assess temporal processing and speech intelligibility.
Main Results:
- Preterm children demonstrated significantly poorer performance across all auditory tests compared to full-term controls.
- Normal hearing and SNHL preterm groups showed age-related improvements in speech recognition in noise, suggesting maturation.
- All preterm children exhibited varying degrees of auditory processing disorders.
Conclusions:
- Preterm birth adversely affects auditory system development and processing.
- Understanding specific auditory processing challenges in preterm children is crucial for effective rehabilitation.
- Early identification and tailored interventions can mitigate the long-term impact of auditory processing disorders in preterm populations.
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