Violent games 'affect behaviour', now proven?

BBC NEWS | Health | Violent games 'affect behaviour'

It's an interesting article. People always assumed this was true, but now they've got some brain activity. Seems this could effect more things that thought before. Judges who played video games might be those harsher on punishments for the "evil guys," although it might turn out that they are less harsh for things like murder. I suppose only time will tell.