YSK if you've seen something traumatic, playing Tetris for a couple of hours afterwards can drastically reduce the chance of it becoming a deeprooted memory and causing PTSD

Bleeping Lobster@lemmy.world to You Should Know@lemmy.world – 1117 points –
Tetris used to prevent post-traumatic stress symptoms | University of Oxford
ox.ac.uk
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She posits that some people have a 'combination lock' which, when the right numbers all come up together, pushes them over the line into a horrific violent act.

EG if someone was beaten by their father as a child, go through some trauma as an adult, are under a lot of stress, then some guy in the street who looks a lot like their dad used to starts screaming at him because he bumped into him, then BLAM they're smashing his face in with a nearby brick before they understand what's happening.

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