Watch out! Action video games may increase the risk of Alzheimer

According to the information given by the researchers, if your child is addicted to playing action video games then be aware as it can reduce episodic memory and spatial navigation, and increase the risk of developing brain disorders.

The findings showed that habitual players of action video games had reduction in grey matter in the hippocampus — a key brain area for memory.

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This challenged the previously held notion that it may boost brain power, reduce stress and aid in improving symptoms of depression, the researchers said.

“Video games have been shown to benefit certain cognitive systems in the brain, mainly related to visual attention and short-term memory,” said lead author Greg West, associate professor at Universite de Montreal (UdeM) in Canada.

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Further, the study showed that instead of the hippocampus, 85 per cent of players tend to increasingly make use of another part of the brain called the striatum to navigate their way through a game.

Striatum has an area known as the caudate nucleus that acts as a kind of “autopilot” and “reward system” and also helps us form habits and remember how to do things like ride a bicycle.

“If action video games lead to decreases in grey matter in the hippocampus (of young adults), caution should be exerted when encouraging their use… (by) children, young adults and older adults to promote cognitive skills such as visual short-term memory and visual attention,” West suggested.

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