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What is it about?
This study explores which factor more strongly affects speech perception in noise among school-aged children with bilateral cochlear implants: the child’s chronological age, the age at second implantation, or the interval between implants. We used the Turkish Hearing in Noise Test for Children (THINT-C) with an adaptive procedure, allowing a more realistic evaluation of listening in everyday noisy environments. Parents also completed the PEACH questionnaire to reflect daily-life auditory behaviors.
Why is it important?
Children with cochlear implants struggle most in noisy classrooms, group activities and social environments. Understanding which developmental or clinical variables truly matter helps clinicians tailor: earlier interventions, educational accommodations, realistic expectations for families, follow-up and rehabilitation strategies. Until now, it was unclear whether outcomes were more strongly shaped by implant timing or by the child's developmental auditory maturity.