No, not just any puzzle game will do it: "...Tetris may do just that, but based on Holmes' past research, activities like digital pub quizzes and counting exerc

No, not just any puzzle game will do it: "...Tetris may do just that, but based on Holmes' past research, activities like digital pub quizzes and counting exercises do not." The researchers' current theory is that it's the rapid and vivid visual input of Tetris that essentially out-competes the sensory memory of the traumatic event inside the brain. But of course further research is needed to actually test this theory.