After playing the game Tetris for an extended length of time, you start seeing blocks everywhere. There are blocks when you dream, blocks when you close your eyes . . . everything in your world becomes blocks. The same thing can happen with any repetitive pattern game—people may be more familiar with it from games like Candy Crush nowadays.
The widely experienced phenomenon speaks to the unusual way games like Tetris play with our brains. This convinced researchers to look into how it affects those with mental health problems, and they’ve found something curious. Tetris seems to protect against PTSD and flashbacks.
Researchers showed experiment participants a disturbing film. During the next six hours, some answered trivia, some played Tetris, and others did nothing much at all. Over the following week, people who’d played the 1980s classic had far fewer flashbacks.
The psychologist behind the study believes the spatial concentration required to play may interfere with how the brain consolidates traumatic memories. --
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