In the first study to test the effects of playing violent video games over time, researchers found that cumulative play results in increased hostility and aggression.

FORBES: Study: More Violent Video Game Play Results in More Aggression

Robert Coben, a neuropsychologist on Long Island, has recently published in the peer-reviewed Journal of Neurotherapy a study of autistic children who, by playing special computer games, have improved connections among neurons in the frontal and temporal lobes, resulting in fewer repetitive behaviors, better socialization and improved language skills.

FORBES: New Hope For Autism

But according to a study by the Italian league, there were 26 such incidents in 842 games in the top two divisions last year.

WSJ: Gabriele Marcotti:The Ghost Goals That Haunt Soccer

In that report, which talked about the data mining efforts undertaken by the ODNI, Reynard was described as: "a seedling effort to study the emerging phenomenon of social (particularly terrorist) dynamics in virtual worlds and large-scale online games and their implications for the intelligence community".

BBC: NEWS | Technology | US seeks terrorists in web worlds

Someone on his coaching staff thoroughly breaks down every game, to make sure any shown package or play is accounted for, and the players have two sets of study: things that they knew of San Francisco before and things San Francisco has shown in the eight games since.

WSJ: For the New York Giants, Sequels Tend to Outdo the Originals

Seventy French university students were recruited for the study and told they would be participating in a three-day experiment testing the effects of brightness of video games on visual perception.

FORBES: Study: More Violent Video Game Play Results in More Aggression

The study, forthcoming in the International Journal of Electronic Commerce, considers why some massive multiplayer online role-playing games such as World of Warcraft or Star Wars Galaxies, command legions of loyal players while others struggle to gain a following.

FORBES: Studying Player Commitment To MMORPGs