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Updated: Aug 16, 2026

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
[The development of auditory capability for infants after cochlear implantation]
Xueqing Chen1, Liang Wang, Lihui Meng
1Department of Speech and Hearing Rehabilitation, Beijing Institute of Otolaryngology, Affiliated Beijing Tongren Hospital of Capital University of Medical Sciences, Beijing, 100730, China. xueqingchen@sohu.com
Summary
Cochlear implantation significantly improved auditory skills in infants. Post-implantation, children showed enhanced vocalization and sound awareness, though understanding sound meaning developed more gradually.
Area of Science:
- Pediatric Audiology
- Otolaryngology
- Neuroscience
Context:
- Prelingual deafness in infants presents significant developmental challenges.
- Cochlear implantation is a critical intervention for restoring hearing in profoundly deaf children.
- Assessing auditory development post-implantation requires standardized, reliable tools.
Purpose:
- To evaluate the impact of cochlear implantation on auditory capabilities in prelingually deaf infants.
- To quantify changes in auditory behavior using the Infant Toddler Meaningful Auditory Integration Scale (IT-MAIS) questionnaire.
- To compare auditory skill development at various intervals following cochlear implant activation.
Summary:
- Eighty-six infants with prelingual deafness received cochlear implants and were assessed using the IT-MAIS questionnaire before and up to one year after activation.
- Significant improvements were observed across all auditory response categories measured by the IT-MAIS.
- Vocalization and spontaneous alerting to sound showed more rapid development compared to deriving meaning from sound post-implantation.
Impact:
- Demonstrates the effectiveness of cochlear implantation in enhancing auditory function in young children.
- Highlights the IT-MAIS as a valuable tool for tracking auditory development post-surgery.
- Provides insights into the differential developmental trajectories of auditory skills following cochlear implantation.