Utility of Electrically Evoked Potentials in Cochlear Implant Users / 대한이비인후과학회지

ABSTRACT

Cochlear implants (CIs) are generally used in individuals with severe to profound hearing loss. Needs for objective measures with CI users have increased due to implantation of children at younger ages and large variation in performance. To date, a significant body of research has been published that describes the general methodology used to measure electrically evoked neural responses as well as issues and stimulation paradigms relevant to the measurement of specific neural responses and several potential applications for objective measures with CI users. Objective measures of cochlear implant function have most certainly played a role in developing a better understanding of the process of electrical stimulation of the auditory nerve and the activation of the central auditory pathways. An important remaining issue in further improvements with cochlear implants is the better understanding of variability across subjects and the development of methods to improve signal processing in poor performers. The measurement of electrically evoked neural activity, both peripheral and central response, can be an important tool for accomplishing such tasks.