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Updated: Jul 1, 2026
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Exploration of the cognitive and behavioural consequences of paediatric cochlear implantation
Lindsey Edwards1, Sonya Khan, Catherine Broxholme
1Cochlear Implant Programme, Great Ormond Street Hospital for Children NHS Trust, London, UK. Edwarl@gosh.nhs.uk
Insights
Cochlear implants significantly improved cognitive abilities in young deaf children within one year. These cognitive gains correlated with better emotional and behavioral development, suggesting enhanced processing capabilities.
Area of Science:
- Pediatric audiology
- Developmental psychology
- Neuroscience
Background:
- Deaf children face unique developmental challenges.
- Cochlear implantation aims to restore hearing and support development.
- Early intervention is crucial for language and cognitive outcomes.
Purpose of the Study:
- To evaluate the impact of cochlear implantation on cognitive and emotional development in young deaf children.
- To assess changes in non-verbal cognitive abilities after one year of cochlear implant use.
- To explore the relationship between cognitive improvements and behavioral outcomes.
Main Methods:
- A cohort of 20 deaf children (ages 2-5) received cochlear implants.
- Cognitive abilities were assessed using the Leiter International Performance Scale - Revised (LIPS-R).
- Emotional and behavioral development was evaluated with the Child Behaviour Checklist (CBCL) pre- and post-implantation.
Main Results:
- Significant improvements were observed in seven LIPS-R subtests and composite scales after one year.
- Post-implant cognitive functions, including Fluid Reasoning and Attention Sustained, positively correlated with behavioral outcomes.
- A reduction in internalizing behavior problems was noted in the study group.
Conclusions:
- Cochlear implantation positively impacts cognitive development in young deaf children.
- Improved cognitive function may facilitate the use of verbal concepts, aiding information processing.
- Cochlear implants show promise in enhancing both cognitive and emotional-behavioral trajectories.
Abstract:
This study followed the progress of young deaf children undergoing cochlear implantation, in terms of their non-verbal cognitive abilities and their emotional/behavioural development. A consecutive series of 20 children, between the ages of 2 and 5 years, were assessed using the Leiter International Performance Scale - Revised (LIPS-R) and the Child Behaviour Checklist (CBCL), prior to receiving a Nucleus 24 cochlear implant. They were assessed again one year after the device was switched on. Scores on seven of the 13 subtests and composite scales of the LIPS-R increased significantly during the first year of cochlear implant use. Cognitive functions post-implant (Sequential Order, Fluid Reasoning, Full IQ and Attention Sustained) were positively related to behavioural outcomes. These results may be explained by an increased capacity of the implanted children to use verbal concepts to encode visual material. There was also evidence for a reduction in internalizing behaviour problems. The results are discussed in the context of previous research, clinical and theoretical perspectives.
