Games assault self-control
YOUNG people who play violent video games show increased activity in
areas of the brain linked to emotional arousal and decreased responses
in regions that govern self-control, a new study has found.
The study used functional magnetic resonance imaging to record tiny
metabolic changes in brain activity in 44 adolescents who were asked to
perform a series of tasks after playing either a violent or nonviolent
video game for 30 minutes.
The children, with no history of behavior problems, ranged in age from
13 to 17.
Half played a T-rated first-person shooter game called "Medal of Honor:
Frontline," involving military combat, while the other group played a
nonviolent game called "Need for Speed: Underground."
Those who played the violent video game showed more activation in the
amygdala, which is involved in emotional arousal, and less activation
in the prefrontal portions of the brain associated with control, focus
and concentration than the teens who played the nonviolent game....
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