Tetris After Trauma: Promise, Limits, and What the Evidence Actually Shows

2018 randomized trial found that playing Tetris in the emergency department shortly after a car accident cut intrusive memories by about 62 percent in the following week. The approach uses the game’s visuospatial demands to compete with how the brain stores vivid trauma images. Researchers view it as a low-intensity option for reducing one core symptom of post-traumatic stress rather than a full treatment for PTSD.