A new study published in The Cochrane Library reports that, primary results indicate that using virtual reality (VR) human-computer interfaces may help adults who have suffered a stroke regain arm function and enhance their ability to perform standard tasks.

VR interfaces allow individuals to become engrossed in a computer-generated environment. Although several individuals are used to these in the form of video games, they have also shown to have potential as a therapeutic tool. The reports leader Kate Laver, who works in the Department of Rehabilitation and Aged Care at Flinders University, Adelaide, Australia, says: “Virtual reality and interactive video gaming may have some advantages over traditional therapy as they may give people an opportunity to practice everyday activities that cannot be practiced within the hospital environment.”

In collaboration with investigators in Australia and the U.S., Lever studied the international literature for examples of where the use of virtual reality had been compared with standard therapy. Laver explains: “Drawing conclusions from the data was difficult because the sample sizes were generally small and there was a wide range of type of VR used, as well as a wide range of features measured.”

Examining the outcomes, seven trials consisting of a total of 205 participates suggested that in comparison to standard therapy, VR training may improve arm function. Additionally, three other trials consisting of 101 individuals suggested that virtual reality can result in a slightly improved ability to manage standard every day tasks, such as showering and dressing.

Laver states:

“These positive effects were found soon after the end of the treatment and it is not clear whether the effects are long lasting.”

While there was not enough evidence to reach a conclusion regarding the effect of VR or video gaming on grip strength or walking speed. On the positive side, very few individuals reported any serious adverse effects, such as pain, headaches or dizziness using VR.

Laver notes:

“Virtual reality looks as if it could be a promising therapeutic tool, but we need a lot more data before we can assess which aspects of VR are the most important, and assess how long the effects last.”

Written by Grace Rattue