Effects of virtual reality intervention on upper limb motor function and activity of daily living in patients with lesions in different regions of the brain.
Sang-Mi Jung, Won-Ho Choi
PMID 29643584WHAT IT FOUND
After 4 weeks of VR games, upper-limb and daily-living scores were higher in 14 people with hemiplegic stroke.
With no control group, these gains cannot be proven to be from VR.
Key findings
01The middle cerebral artery group had significant pre- to post-test differences in upper-limb motor scores for Arm and Coordination and Speed, and in daily-living independence scores.
02The basal ganglia group had significant pre- to post-test differences in all upper-limb motor sub-tests and daily-living independence scores.
03Between groups, the paper reports significant differences in upper-limb motor Arm pre-test and Hand pre- and post-test outcomes.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The methods text says 11 subjects were recruited, but the tables report 14, so the analysed sample is unclear. There was no control group, so the pre- to post-test changes cannot be separated from time or repeated practice. The sample was very small, with 6 participants in the middle cerebral artery group and 8 in the basal ganglia group. The paper does not report randomisation, blinding, dropout, or adherence. The paper does not name a primary outcome. The paper does not report adjustment for multiple comparisons. Follow-up was only after 4 weeks, with no longer-term outcome reported. The Discussion uses neuroplasticity and brain-region explanations, but this study did not measure brain changes.
Declared interests
No funding or conflict-of-interest declaration appears in the supplied text.
The easy way to misread this
Do not read the higher post-test scores as proof that VR caused recovery. The study had no control group, the tables report 14 participants, and the paper did not separate VR effects from repeated practice or time.