Trauma, treatment and Tetris: video gaming increases hippocampal volume in male patients with combat-related posttraumatic stress disorder

Background:

Tetris has been proposed as a preventive intervention to reduce intrusive memories of a traumatic event. However, no neuroimaging study has assessed Tetris in patients with existing posttraumatic stress disorder (PTSD) or explored how playing Tetris may affect brain structure.

Methods:

We recruited patients with combat-related PTSD before psychotherapy and randomly assigned them to an experimental Tetris and therapy...