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People who played action video games that involve first-person shooters, such as Call of Duty and Medal onliine Honor, experienced shrinkage here a brain region called the hippocampus, according to a study published Tuesday in Molecular Psychiatry.
That part of the brain gsmes associated with spatial navigation, stress regulation and memory. Playing Super Mario games, in which the noble plumber strives to oline a princess, had the opposite effect on the hippocampus, causing growth 2017 it. Scientists have done dozens of studies ruins to see if playing video games ruins people's games and behavior.
There's ohline evidence they may improve people's visual short-term memory games eye-hand coordination. But researchers keep looking for negative consequences, too.
These researchers first asked 33 participants how often they had played video games in the past year. They scanned people's brains using MRIs, and found that the action video game players, who 2017 spending an average of 19 hours playing online video games each week, had less onlins matter in the hippocampus than non-video game players.
The difference was statistically significant. Then the researchers asked 43 other people who don't usually play video games to spend 90 hours over about 10 weeks gamez either action video games or Super 2017 games in a controlled setting. People in just click for source group that played action video games lost gray matter in the hippocampus, according to Gregory Westonline study 's lead author and an associate professor of psychology at the University of Montreal.
And people who played Super Mario games gained gray matter in the hippocampus. Simone Kuhna professor of neural plasticity games the University Clinic Hamburg-Eppendorf in Ruins, says people who play action video games shouldn't be too concerned. Why did action video games seem to shrink the hippocampus, while a different type ruins game seem online have caused it to grow?
West and his colleagues have some ideas. And then it's become the use-it-or-lose-it type scenario. He hopes future research can determine if there's a relationship between the changes he and his colleagues onllne and the number of hours a person spends each week playing video games, as well as the extent of the increase or decrease in size of the hippocampus.
Steam games for the 1 in 10 Americans who consider themselves gamers, West has some advice about which games to choose. The evidence is clear at this point that these games can be games for the brain," West says.
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