Older adults with often a precursor to Alzheimer's, showed significant improvement with certain complex thinking and memory skills after exergaming, according to a new study.
Previously research show that seniors who exercise using the features of interactive video games experienced greater cognitive health benefits than those who rely on traditional exercise alone.
For the latest study published in the journal Frontiers in Aging Neuroscience, researchers wanted to target older adults diagnosed with or at risk for MCI.
Researchers initially enrolled more than 100 seniors for the study. Over six months, 14 (evenly split between men and women) persisted with regular exergaming. The average age was 78.
The first group of seven was assigned to pedal along a scenic virtual reality bike path several times a week. The second group was given a more challenging task for the brain: pedal while playing a video game that included chasing dragons and collecting coins.
The special bikes were placed at a number of sites, including hospitals, community centers and independent living centers.
The results were compared against data collected from a separate group of eight seniors who played video games on a laptop but did not pedal, and also a group from the previous research who only rode a traditional stationary bike with no gaming component.
At the end of the randomised clinical trial, participants in both the group that pedalled along a virtual bike path and those that chased dragons and collected coins experienced significantly better executive function, which controls, in part, multi-tasking and decision making.
"For example, it allows you to cook two things on the stove at once. It makes sure you don't forget that you are boiling water while also having something in the oven," she said.
Benefits for both groups were also seen for verbal memory and physical function, suggesting it may be worth the effort for seniors to incorporate exergaming into a daily exercise regime.
Anderson-Hanley acknowledged that further research with a larger sample size is needed to confirm the team's findings. One of the challenges faced was getting older adults in the habit of going to the gym or another venue to exergame.
In the meantime, the research suggests benefits of exercising while also stimulating the brain with some mental challenge, such as navigating a scenic bike path or interactively playing a video game.
"The goal is to explore even more effective ways to prevent or ameliorate cognitive decline in older adults by tailoring accessibility and level of mental engagement in interactive cognitive and physical exercise," she said.
"The results suggest that the best outcome for brain health may result when we do both: move it and use it," she added.
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