Abstract
Numerous studies have revealed that meditative movement changes brain activity and improves the cognitive function of adults. However, there is still insufficient data on whether meditative movement contributes to the cognitive function of adolescents whose brain is still under development. Therefore, this study aimed to uncover the effects of meditative movement on the cognitive performance and its relation with brain activity in adolescents. Forty healthy adolescent participants (mean age of 17∼18) were randomly allocated into two groups: meditative movement and control group. The meditative movement group was instructed to perform the meditative movement, twice a day for 9 min each, for a duration of 3 weeks. During the same time of the day, the control group was instructed to rest under the same condition. To measure changes in cognitive abilities, a dual n-back task was performed before and after the intervention and analyzed by repeated two-way analysis of variance (ANOVA). During the task, electroencephalogram signals were collected to find the relation of brain activity with working memory performance and was analyzed by regression analysis. A repeated two-way ANOVA with Bonferroni correction showed that working memory performance was significantly increased by meditative movement compared with the retest effect. Based on regression analysis, the amplitude of high-beta rhythm in the F3 channel showed a significant correlation with dual n-back score in the experimental group after the intervention, while there was no correlation in the control group. Our results suggest that meditative movement improves the performance of working memory, which is related to brain activity in adolescents.Clinical Trial Registration: cris.nih.go.kr/cris, identifier KCT0004706.
Highlights
Working memory is a subcomponent of executive function (Baddeley, 1992)
Brunner et al (2017) has revealed that yoga training was associated with significant improvement on both the maintenance and manipulation of working memory in young adults. These findings indicate the positive effects of meditative movement on brain structure and cognitive function in adults, it is not clear whether it is consistently applied to adolescents whose brain structural maturation is actively in progress
The findings suggest that meditative movement training improves working memory regardless of retest effects
Summary
Working memory is a subcomponent of executive function (Baddeley, 1992). Executive control is described as a subset of processes involved in the selection, scheduling, and coordination of computational processes underlying perception, memory, and action (Meyer and Kieras, 1997). Meditative Movement and Working Memory temporary storage. A recent study found that improvement in the working memory of children and adolescents were associated with cortical volume reduction in brain area, including bilateral prefrontal regions, but does not correlate with gender and age (Tamnes et al, 2013). Significant clusters were identified in the white matter of the frontal and temporal lobes that are associated with working memory performance (Charlton et al, 2010). These results imply that improvements in the cognitive ability of children and adolescents accompany structural brain changes, especially in the prefrontal regions
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