Violent video games, such as First Person Shooter games, are often accused in the media of making people more aggressive. However, the question is: do these games have also positive effects for our mental processes?
To read more about this research, see: Colzato, L.S., van den Wildenberg, W., Zmigrod, S. and Hommel, B. (2013). Action video gaming and cognitive control: Playing first person shooter games is associated with improvement in working memory but not action inhibition. Psychological Research, 77, 234-239.