After the 2010 tragic shooting in Tucson, Arizona, Scientific American published an online article entitled: "What Causes Someone to Act on Violent Impulses and Commit Murder?" They asked the question why some people can control their anger and frustration, while others lack self-control. Marco Oacoboni, a UCLA professor of psychiatry was interviewed and said,

About a year ago I was at the World Economic Forum, and we had a dinner with talks on intelligence. University of Michigan professor of social psychology Richard Nisbett, the world's greatest authority on intelligence, plainly said that he'd rather have his son be high in self-control than intelligence. [According to Nisbett], self-control is key to a well-functioning life, because our brain makes us easily [susceptible] to all sorts of influences. Watching a movie showing violent acts predisposes us to act violently. Even just listening to violent rhetoric makes us more inclined to be violent.