"Paralleling the growing interest in visual attention, the world of video games has developed both technologically and culturally. It is now believed that 68% of American households play video or computer games. Hubert-Wallander, Green, and Bavelier reviewed recent studies by their group but also many other laboratories where gamers and non-gamers had to perform tasks related to visual attention and found that gamers consistently outperformed their non game playing peers."
http://www.physorg.com/news/2010-11-video-games-limits-visual-attention.html