People with severe cerebral palsy (CP) who are nonverbal and unable to control conventional computer interfaces due to the severe limitations in hand control benefit from eye-tracking technology as access method to Augmentative and Alternative Communication (AAC) devices and to computers for education and leisure. Research has put forward the large demands that the use of AAC puts on working memory (WM), defined as our ability to temporarily store information that is no longer perceptually present, allowing us to manipulate it for meaningful goal-directed behaviour. People with CP show significant WM deficits, which affect learning capacities and academic achievement, including impaired language and reading comprehension, and arithmetic difficulties. Cogmed WM training (CWMT) is a computerized software with a great potential to boost WM capacity and overall cognitive functioning. Its effectiveness is influenced by the theory of neuroplasticity due to repeated mental tasks. To date, no prior study investigated the effectiveness of CWMT in children and youth with severe CP who rely on eye-tracking technology for daily-life functioning. This is the first trial that aims to explore the impact of a 5-week CWMT on WM capacity and its near-transfer effect (trained and untrained WM tasks), far-transfer effect (other cognitive abilities, quality of eye movements and behaviour) and retention 3-months post intervention.
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Mean Improvement Index
Timeframe: 5 weeks