Children who playing video games and use violent moves such as karate kicks can make them aggressive, says a US study.
The study by Kevin Kieffer and Jessica Nicoll of Saint Leo University, Florida, shows there's a strong link between 'shoot 'em up' video games and how children and adolescents behave - at least in the short term, reports the online edition of science journal Nature.
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The study also shows that children who play violent video games are much less likely to be helpful to others than they are when they play more social and non-violent video games.
"But the real issue is whether there's long-lasting change as a result of these violent video games, and the current literature does not adequately address these issues," says Kieffer.
"Imagine a child playing these very violent games from age 10 until adulthood. It's hard to speculate that he would not have some adverse effects as a result of this."
The study say the only way to really answer this cause-and-effect question is to do long-term studies following children over many years, and looking at all the factors that could influence aggressive behavior, including discipline at home, poverty and how well a child is doing at school.
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