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The Benefit of Cross-Modal Reorganization on Speech Perception in Pediatric Cochlear Implant Recipients Revealed Using Functional Near-Infrared Spectroscopy

Mushtaq, Faizah; Wiggins, Ian M.; Kitterick, Pádraig T.; Anderson, Carly A.; Hartley, Douglas E. H.

The Benefit of Cross-Modal Reorganization on Speech Perception in Pediatric Cochlear Implant Recipients Revealed Using Functional Near-Infrared Spectroscopy Thumbnail


Authors

Pádraig T. Kitterick

Carly A. Anderson



Abstract

Cochlear implants (CIs) are the most successful treatment for severe-to-profound deafness in children. However, speech outcomes with a CI often lag behind those of normally-hearing children. Some authors have attributed these deficits to the takeover of the auditory temporal cortex by vision following deafness, which has prompted some clinicians to discourage the rehabilitation of pediatric CI recipients using visual speech. We studied this cross-modal activity in the temporal cortex, along with responses to auditory speech and non-speech stimuli, in experienced CI users and normally-hearing controls of school-age, using functional near-infrared spectroscopy. Strikingly, CI users displayed significantly greater cortical responses to visual speech, compared with controls. Importantly, in the same regions, the processing of auditory speech, compared with non-speech stimuli, did not significantly differ between the groups. This suggests that visual and auditory speech are processed synergistically in the temporal cortex of children with CIs, and they should be encouraged, rather than discouraged, to use visual speech.

Journal Article Type Article
Acceptance Date Jul 13, 2020
Online Publication Date Aug 14, 2020
Publication Date Aug 14, 2020
Deposit Date Aug 19, 2020
Publicly Available Date Aug 19, 2020
Journal Frontiers in Human Neuroscience
Electronic ISSN 1662-5161
Publisher Frontiers Media
Peer Reviewed Peer Reviewed
Volume 14
DOI https://doi.org/10.3389/fnhum.2020.00308
Keywords Biological Psychiatry; Behavioral Neuroscience; Neuropsychology and Physiological Psychology; Neurology; Psychiatry and Mental health
Public URL https://nottingham-repository.worktribe.com/output/4843348
Publisher URL https://www.frontiersin.org/articles/10.3389/fnhum.2020.00308/full

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