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Updated: Oct 13, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
Published on: January 23, 2017
[Results of an auditory screening program in preschool children]
Insights
Early hearing loss screening for 2- and 3-year-olds is crucial. A study found significant hearing deficits in 6.3% of preschoolers, indicating a need for universal screening programs.
Area of Science:
- Audiology
- Pediatric Medicine
- Public Health
Context:
- Neonatal hearing loss screening is established, but data for older preschool children is limited.
- Previous research has not extensively covered hearing deficits in 2- and 3-year-olds.
Purpose:
- To investigate the prevalence of hearing loss in 2- and 3-year-old children.
- To assess the types and severity of hearing impairments in this age group.
Summary:
- An audiological study evaluated 284 children aged 2-3 years using brainstem evoked potentials.
- Results revealed a 6.3% prevalence of some degree of deafness.
- Specifically, 17% had sensorineural hearing loss and 70% had moderate hearing loss.
Impact:
- The high prevalence of hearing deficits highlights the need for expanded hearing screening programs for preschool-aged children.
- Early identification and intervention can mitigate the long-term effects of hearing loss on development.
Abstract:
Although important advances have been made in screening for neonatal hearing loss in recent years, there are no extensive studies of other age groups (2 and 3 years). In an audiological study of 284 children of this age using brainstem evoked potentials, we found some degree of deafness in 6.3%, 17% sensorineural and 70% moderate. The large percentage of hearing deficits found in this preschool population suggests that screening programs should be carried out.
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