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Updated: May 4, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Newborn hearing screening and cochlear implantation: impact on spoken language development
1ExpORL, Department Neurosciences, KU Leuven, Leuven, Belgium. tinne.boons@med.kuleuven.be
Insights
Newborn hearing screening leads to earlier diagnosis and cochlear implantation for children with severe hearing loss. This early intervention significantly improves spoken language development after cochlear implantation.
Area of Science:
- Pediatric Audiology
- Developmental Pediatrics
- Speech-Language Pathology
Background:
- Early detection of hearing loss is crucial for optimal child development.
- Newborn hearing screening programs aim to identify infants with hearing impairments shortly after birth.
- Delayed diagnosis and intervention can negatively impact spoken language acquisition.
Purpose of the Study:
- To evaluate the impact of newborn hearing screening on the timing of diagnosis and cochlear implantation.
- To assess the effect of early screening on spoken language development in severely hearing-impaired children.
- To compare language outcomes between early and late screened children post-cochlear implantation.
Main Methods:
- Retrospective analysis of severely hearing-impaired children divided into early (n=149) and late (n=139) screened groups.
- Evaluation of age at diagnosis and age at cochlear implantation.
- Quantification of spoken language development using language quotients (LQs) at 1, 2, and 3 years post-implantation.
Main Results:
- Children identified through early screening were significantly younger at diagnosis and cochlear implantation.
- Early screening was associated with enhanced receptive and expressive spoken language skills.
- A positive correlation was observed between early intervention and improved language outcomes.
Conclusions:
- Newborn hearing screening facilitates earlier intervention for infants with hearing loss.
- Early identification and cochlear implantation positively influence spoken language development.
- The implemented screening programs effectively improved developmental trajectories for deaf children.
Objectives:
This study retrospectively evaluates the effect of newborn hearing screening on age at diagnosis, age at cochlear implantation and spoken language development in severely hearing-impaired children.
Methods:
Age at diagnosis, age at cochlear implantation and language development were evaluated in a group of early screened (n = 149) and a group of late screened (n = 139) severely hearing-impaired children. Language outcomes were quantified as language quotients (LQs) on the Reynell Developmental Language Scales and Schlichting Expressive Language Test at 1,2, and 3 years after cochlear implantation.
Results:
Early screened children were significantly younger than late screened children at the time of hearing loss diagnosis and cochlear implantation. Furthermore, early screening was associated with better receptive and expressive spoken language skills after cochlear implantation.
Conclusion:
The results of this retrospective study indicate that the newborn hearing screening program in Flanders and The Netherlands resulted in earlier intervention in deaf children, which beneficially influenced spoken language development.
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