Development and Assessment of Listener-tailored Programming for Cochlear Implant Listeners

What this Trial Is About

Researchers are studying how cochlear implants affect the developing hearing system in children and adults with severe hearing loss. The study aims to better understand how these implants influence auditory development, test new methods for programming cochlear implants tailored to individual listeners, and examine how long it takes users to adjust to new implant settings over both short and long periods. This research hopes to improve hearing outcomes by advancing knowledge about cochlear implant stimulation and listener adaptation. Participants will be assigned randomly to one of three groups: listening with an experimental cochlear implant processing strategy, listening with their usual clinical cochlear implant program, or listening with an experimental program similar to their clinical one. The experimental processing uses a dynamic focusing strategy programmed into a speech processor. The study includes both children and adults who use cochlear implants made by specific manufacturers. During the study, participants will undergo assessments of auditory function including electrical responses, behavioral measures of hearing resolution, and speech perception tests at baseline and weekly for ten weeks after intervention. Researchers will also collect data on vocabulary development, hearing quality of life, and sound quality perception. The study includes safety monitoring and follow-up through these repeated measures, with total participation lasting at least 10 weeks after the intervention.

Perceptual Consequences of Cochlear Implant Electrode-neuron Interfaces