Cortical Auditory Evoked Potentials Recorded From Nucleus Hybrid Cochlear Implant Users
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EAR & HEARING VOL. XX, NO. X, XXX–XXXAbstract: Objectives: Nucleus Hybrid Cochlear Implant (CI) users hear low-frequency sounds via acoustic stimulation and high-frequency sounds via electrical stimulation. This within-subject study compares three different
methods of coordinating programming of the acoustic and electrical
components of the Hybrid device. Speech perception and cortical auditory
evoked potentials (CAEP) were used to assess differences in outcome.
The goals of this study were to determine whether (1) the evoked
potential measures could predict which programming strategy resulted
in better outcome on the speech perception task or was preferred by the listener, and (2) CAEPs could be used to predict which subjects benefitted most from having access to the electrical signal provided by the Hybrid implant.
Objectives: Nucleus Hybrid Cochlear Implant (CI) users hear low-frequency sounds via acoustic stimulation and high-frequency sounds via electrical stimulation. This within-subject study compares three different
methods of coordinating programming of the acoustic and electrical
components of the Hybrid device. Speech perception and cortical auditory
evoked potentials (CAEP) were used to assess differences in outcome.
The goals of this study were to determine whether (1) the evoked
potential measures could predict which programming strategy resulted
in better outcome on the speech perception task or was preferred by the listener, and (2) CAEPs could be used to predict which subjects benefitted most from having access to the electrical signal provided by the Hybrid implant.