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KMID : 1143320210100030007
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Therapeutic Science for Neurorehabilitation
2021 Volume.10 No. 3 p.7 ~ p.22
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A Study on the Effect of Virtual Reality Intervention on Cognitive Function in Individuals With Stroke Through Meta-analysis
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Kwon Jae-Sung
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Abstract
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Objective : The purpose of this study was to verify the effect of virtual reality interventions (VRIs) on cognitive function in individuals with stroke through a systematic literature review and meta-analysis.
Methods : We reviewed randomized controlled trials (RCTs) the last 10 years using academic databases.
PubMed, MEDLINE, and CINAHL were used for international studies, and DBpia, KISS, Kyoboscholar, and e-article were used for Korean studies. For the quantitative meta-analysis, subgroups of outcomes were classified into general cognitive function (G-CF), attention and memory (A&M), and executive function (EF).
Results : Nine RCTs were analyzed. The total number of participants was 271 (140 in the experimental group). The effect size (Cohen’s d) was estimated using a random effects model. The effect sizes of the outcome subgroups of were as follows: small to medium for G-CF (d=0.422; 95% CI: 0.101~0.742; p=0.010), small for A&M (d=0.249; 95% CI: -0.107~0.605; p=0.170), and medium for EF (d=0.666; 95% CI: 0.136~1.195; p=0.014).
Conclusion : Considering the various stimuli provided by the virtual environment and the results from available research, virtual reality should be applied to interventions for integrated cognitive functions. In addition, it would be appropriate to be used as an additional intervention to traditional cognitive rehabilitation for stroke.
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KEYWORD
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Cognitive function, Meta-analysis, Stroke, Virtual reality
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