Background: Attention-deficit/hyperactivity disorder (ADHD) is one of the common neurodevelopmental disorders in children and virtual reality (VR) has been used in the diagnosis and treatment of ADHD.
Objective: This paper aims to systematically evaluate the effect of VR technology on the attention and motor ability of children with ADHD.
Methods: The intervention method of the experimental group was VR technology, while the control group adopted non-VR technology. The population was children with ADHD. The outcome indicators were attention and motor abilities. The experimental design was randomized controlled trial. Two researchers independently searched PubMed, Cochrane Library, Web of Science, and Embase for randomized controlled trials related to the effect of VR technology on ADHD children's attention and motor ability. The retrieval date was from the establishment of each database to January 4, 2023. The PEDro scale was used to evaluate the quality of the included literature. Stata (version 17.0; StataCorp LLC) was used for effect size combination, forest map-making, subgroup analyses, sensitivity analyses, and publication bias. GRADEpro (McMaster University and Evidence Prime Inc) was used to evaluate the level of evidence quality.
Results: A total of 9 literature involving 370 children with ADHD were included. VR technology can improve ADHD children's attention (Cohen d=-0.68, 95% CI -1.12 to -0.24; P<.001) and motor ability (Cohen d=0.48, 95% CI 0.16-0.80; P<.001). The intervention method and diagnosis type for VR technology had a moderating effect on the intervention' impact on children's attention (P<.05). The improvement in children's attention by "immersive" VR technology was statistically significant (Cohen d=-1.05, 95% CI -1.76 to -0.34; P=.004). The improvement of children's attention by "nonimmersive" VR technology was statistically significant (Cohen d=-0.28, 95% CI -0.55 to -0.01; P=.04). VR technology had beneficial effects on both children with an "informal diagnosis" (Cohen d=-1.47, 95% CI -2.35 to -0.59; P=.001) and those with a "formal diagnosis" (Cohen d=-0.44, 95% CI -0.85 to -0.03; P=.03).
Conclusions: VR technology can improve attention and motor ability in children with ADHD. Immersive VR technology has the best attention improvement effect for informally diagnosed children with ADHD.https://www.crd.york.ac.uk/PROSPERO/.
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