Violent Video Games - Psychologists Help ProtectChildren from Harmful Effects

Gentile, D. A., and D. A. Walsh. "Violent Video Games - Psychologists Help Protect." American Psychological Association. 2001. 23 Jan. 2007 <http://www.psychologymatters.org/videogames.html>.

Psychological research confirms that violent video games can increase children's aggression, but that parents moderate the negative effects.
Findings
Fifty years' of research on violent television and movies has shown that there are several negative effects of watching such fare (see http://www.psychologymatters.org/mediaviolence.html). Because video games are a newer medium, there is less research on them than there is on TV and movies. However, studies by psychologists such as Douglas Gentile, PhD, and Craig Anderson, PhD, indicate it is likely that violent video games may have even stronger effects on children's aggression because (1) the games are highly engaging and interactive, (2) the games reward violent behavior, and because (3) children repeat these behaviors over and over as they play (Gentile & Anderson, 2003). Psychologists know that each of these help learning - active involvement improves learning, rewards increase learning, and repeating something over and over increases learning.
Drs. Anderson and Gentile's research shows that children are spending increasing amounts of time playing video games - 13 hours per week for boys, on average, and 5 hours per week for girls (Anderson, Gentile, &amp;amp; Buckley, under review; Gentile, Lynch, Linder, & Walsh, 2004). A 2001 content analyses by the research organization Children Now shows that a majority of video games include violence, about half of which would result in serious injuries or death in the 'real' world. Children often say their favorite video games are violent. What is the result of all this video game mayhem?
Dr. Anderson and colleagues have shown that playing a lot of violent video games is related to having more aggressive thoughts, feelings, and behaviors (Anderson & Bushman, 2001). Furthermore, playing violent games is also related to children being less willing to be caring and helpful towards their peers. Importantly, research has shown that these effects happen just as much for non-aggressive children as they do for children who already have aggressive tendencies (Anderson et al., under review; Gentile et al., 2004).
Parents have an important role to play. Psychologists have found that when parents limit the amount of time as well as the types of games their children play, children are less likely to show aggressive behaviors (Anderson et al., under review; Gentile et al., 2004). Other research suggests that active parental involvement in children's media usage-including discussing the inappropriateness of violent solutions to real life conflicts, reducing time spent on violent media, and generating alternative nonviolent solutions to problems-all can reduce the impact of media violence on children and youth (Anderson et al., 2003).

This article is not accurate, in some violent video games you do get rewarded for voilent acts. But many including the Grand Theft Auto series when you do something illegal in the game your "wanted" level goes up and police cars and even helecopters start chasing you. This teaches the player of the game that whatever he did was illegal.

Why is it that violent movies and other violent forms of media do not get attacted for its content?

What are the actual negative effects that violence in video games can have on ur brain?