"There may be many, many people who also have psychopathictendencies and have similar scans, who don't do antisocial behavior, who don't rape and kill, " Brodie says.
After analyzing data from 47 independent brain imaging studies, researchers found that the rule-breaking behavior common to people with antisocial, violent, and psychopathictendencies may result partly from damage to the neural circuitry in the brain that underlies moral decision-making.