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The purposes are to: (1) examine and compare the effects of two hybrid interventions on brain plasticity, physiological biomarkers and behavioral outcomes, including cognitive and physical functions, from pre- to post-training; (2) understand the neural mechanisms of cognitive recovery following two hybrid interventions using the functional magnetic resonance imaging (fMRI); (3) examine the long-term benefits of the two hybrid therapies; (4) to identify the correlations between brain activity, biomarkers and behavioral measures.
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Cognitive decline after stroke is highly associated with functional disability. Empirical evidence shows that exercise combined cognitive training may induce neuroplastic changes that modulate cognitive function. However, it is unclear whether hybridized exercise-cognitive trainings can facilitate cortical activity and physiological outcome measures and further influence on the cognitive function after stroke. We aim to investigate the effects of two hybridized exercise-cognitive trainings on brain plasticity, physiological biomarkers and behavioral outcomes in stroke survivors with cognitive decline. This study is a single-blind randomized controlled trial. A target sample size of 75 participants will be recruited. Stroke survivors with mild cognitive decline will be stratified by Mini-Mental State Examination scores and then randomized 1:1:1 to sequential exercise-cognitive training, dual-task exercise-cognitive training or control groups. All groups will undergo trainings 60 min/day, 3 days/week, for a total of 12 weeks. The primary outcome is the resting-state functional connectivity and neural activation in the frontal, parietal and occipital lobes in functional magnetic resonance imaging. Secondary outcomes include physiological biomarkers, cognitive functions, physical function, daily functions and quality of life.
This study may differentiate the effects of two hybridized trainings on cognitive function and health-related conditions and detect appropriate neurological and physiological indices to predict training effects. This study capitalizes on the groundwork for non-pharmacological intervention of cognitive decline after stroke.
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44 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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