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Objectives

To review and synthesize the existing literature on the effects of yoga on cognitive function by determining effect sizes that could serve as a platform to design, calculate statistical power, and implement future studies.

Methods

Through electronic databases, we identified acute studies and randomized controlled trials (RCTs) of yoga that reported cognitive outcomes. Inclusion criteria included the following: use of an objective measure of cognition and sufficient data reported to estimate an effect size. The meta-analysis was conducted using Comprehensive Meta-Analysis software. A random-effects model was used to calculate the overall weighted effect sizes, expressed as Hedge g.

Results

Fifteen RCTs and 7 acute exposure studies examined the effects of yoga on cognition. A moderate effect (g= 0.33, standard error= 0.08, 95% confidence interval= 0.18–0.48, p<. 001) of yoga on cognition was observed for …