Ryan A. Stevenson|Sterling W. Sheffield|Iliza M. Butera|René H. Gifford|Mark T. Wallace
Multisensory Integration in Cochlear Implant Recipients
Vanderbilt University Medical Center|Western University|Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center
speech perception inherently multisensory process involving integration auditory visual cues multisensory integration cochlear implant ci recipients unique circumstance integration occurs auditory deprivation provision hearing via ci despite clear importance multisensory cues perception general speech intelligibility specifically topic multisensory perceptual benefits ci users recently begun emerge area inquiry review research conducted multisensory integration ci users date suggest number areas needing research overall pattern results indicates many ci recipients show least perceptual gain attributable multisensory integration extent gain however varies based number factors including age implantation specific task assessed eg stimulus detection phoneme perception word recognition although children adults cis obtain audiovisual benefits phoneme word sentence stimuli neither group shows demonstrable gain suprasegmental feature perception additionally earlyimplanted children highest performing adults obtain audiovisual integration benefits similar individuals normal hearing increasing age implantation children associated poorer gains resultant audiovisual integration suggesting sensitive period development brain networks subserve integrative functions well length auditory experience finding highlights need early detection intervention hearing loss terms auditory perception also terms behavioral perceptual benefits audiovisual processing importantly patterns auditory visual audiovisual responses suggest underlying integrative processes may fundamentally different ci users typicalhearing listeners future research particularly lowlevel processing tasks signal detection help assess mechanisms multisensory integration individuals hearing loss without cis