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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/24632

Title: Lateralization of Inter-implant Timing and Level Differences in Children Who Use Bilateral Cochlear Implants
Authors: Salloum, Claire A.
Advisor: Gordon, Karen A.
Department: Medical Science
Keywords: Auditory brainstem
Binaural processing
Issue Date: 28-Jul-2010
Abstract: Cochlear implants provide hearing to people who are deaf, by electrically stimulating the auditory nerve. Children with a single cochlear implant suffer deficiencies inherent to unilateral hearing, including inability to locate sounds. A second cochlear implant may improve sound localization, which normally requires interpretation of differences in sound intensity and time of arrival between two ears. Currently, it is unknown whether these cues are available to children who were provided with a second cochlear implant after a period of using one implant alone. We asked whether such children could interpret inter-implant level and timing cues. Results indicated that children using two cochlear implants detected level cues but had difficulty interpreting timing cues. Further, children rarely reported that sounds were perceived to come from the middle. Children receiving bilateral cochlear implants sequentially do not process bilateral auditory cues normally but can use inter-implant level cues to make judgments about where sound is coming from.
URI: http://hdl.handle.net/1807/24632
Appears in Collections:Master
Institute of Medical Science - Master theses

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