Language and academic outcomes of children with cochlear implants in an inclusive setting: Evidence from 18 years of data

Ottley, Sharlene M. Wilson; Ouellette, Meredith; Mellon, Nancy K.; Caverly, Colleen; Mitchell, Christine; Costa, Elizabeth Adams

doi:10.1080/14670100.2022.2154427

Cited by 1 publication

(1 citation statement)

References 33 publications

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“…While CI technology has been effective in restoring hearing and allowing communication in quiet environments, there have been many cases in which users of these devices gained little benefit in important aspects of daily life. Concerning pediatric CI users, the research emphasis has often been on academic performance ( Marschark et al, 2007 ; Wilson Ottley et al, 2023 ) and some children have continued to struggle despite early implantation ( Ching et al, 2018 ; Dettman et al, 2016 ; Geers et al, 2017 ; Wolfe et al, 2021 ). The extent to which these differences stem from variable multimodal integration, language processing difficulties, or functional activation/deactivation of various brain regions has remained unclear.…”

Section: Introductionmentioning

confidence: 99%

Motor Processing in Children With Cochlear Implants as Assessed by Functional Near-Infrared Spectroscopy

Alemi,

Wolfe,

Neumann

et al. 2023

Percept Mot Skills

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Auditory-motor and visual-motor networks are often coupled in daily activities, such as when listening to music and dancing; but these networks are known to be highly malleable as a function of sensory input. Thus, congenital deafness may modify neural activities within the connections between the motor, auditory, and visual cortices. Here, we investigated whether the cortical responses of children with cochlear implants (CI) to a simple and repetitive motor task would differ from that of children with typical hearing (TH) and we sought to understand whether this response related to their language development. Participants were 75 school-aged children, including 50 with CI (with varying language abilities) and 25 controls with TH. We used functional near-infrared spectroscopy (fNIRS) to record cortical responses over the whole brain, as children squeezed the back triggers of a joystick that vibrated or not with the squeeze. Motor cortex activity was reflected by an increase in oxygenated hemoglobin concentration (HbO) and a decrease in deoxygenated hemoglobin concentration (HbR) in all children, irrespective of their hearing status. Unexpectedly, the visual cortex (supposedly an irrelevant region) was deactivated in this task, particularly for children with CI who had good language skills when compared to those with CI who had language delays. Presence or absence of vibrotactile feedback made no difference in cortical activation. These findings support the potential of fNIRS to examine cognitive functions related to language in children with CI.

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