Spectral-Temporal Modulated Ripple Discrimination by Children With Cochlear Implants
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Ear & Hearing (August 2017)Abstract: A postlingually implanted adult typically develops hearing
with an intact auditory system, followed by periods of deafness (or near
deafness) and adaptation to the implant. For an early implanted child
whose brain is highly plastic, the auditory system matures with consistent
input from a cochlear implant. It is likely that the auditory system
of early implanted cochlear implant users is fundamentally different than
postlingually implanted adults. The purpose of this study is to compare
the basic psychophysical capabilities and limitations of these two populations
on a spectral resolution task to determine potential effects of
early deprivation and plasticity.
A postlingually implanted adult typically develops hearing
with an intact auditory system, followed by periods of deafness (or near
deafness) and adaptation to the implant. For an early implanted child
whose brain is highly plastic, the auditory system matures with consistent
input from a cochlear implant. It is likely that the auditory system
of early implanted cochlear implant users is fundamentally different than
postlingually implanted adults. The purpose of this study is to compare
the basic psychophysical capabilities and limitations of these two populations
on a spectral resolution task to determine potential effects of
early deprivation and plasticity.