Tetris shows promise in reducing PTSD symptoms(legalreader.com) A recent study led by researchers at Uppsala University has uncovered promising results for a simple yet effective intervention in alleviating symptoms of post-traumatic stress disorder (PTSD). The research, published in BMC Medicine, focuses on the use of video games, particularly the well-known Tetris game that has been around for decades, to help reduce intrusive memories, a core and sometimes debilitating symptom of the condition.