%0 Journal Article %J Behavioral and Brain Sciences %D 2006 %T Sadistic cruelty and unempathic evil: Psychobiological and evolutionary considerations %A Stein,Dan J. %X Understanding the origins of evil behaviour is one of our most important intellectual tasks. A distinction can perhaps be drawn between overt sadistic cruelty and the lack of empathy to suffering that is a hallmark of evil. There is increasing data available on the prevalence, proximal psychobiological underpinnings, and distal evolutionary basis for these contrasting phenomena. %B Behavioral and Brain Sciences %V 29 %P 242–242 %8 6 %G eng %U http://journals.cambridge.org/article_S0140525X06419051 %R 10.1017/S0140525X06419051