evil

Some sociologists, psychologists, psychiatrists and neuroscientists have attempted to construct scientific explanations for the development of specific characteristics of an "antisocial" personality type, called the sociopath. The sociopath is typified by extreme self-serving behavior, and a lack of conscience, or inability to empathize with others, to restrain self from, or to feel remorse for, harm personally caused to others. However, a diagnosis of anti-social or sociopath personality disorder (formerly called psychopathic mental disorder), is sometimes criticised as being, at the present time, no more scientific than calling a person "evil". What critics perceive to be a moral determination is disguised, they argue, with a scientific-sounding name, but no complete description of a mechanism by which the abnormality can be identified is provided. In other words, critics argue, "sociopaths" are called such, because they are first thought to be "evil" - a determination which itself is not derived by a scientific method.
Research into sociopathology has also investigated biological, rather than moral underpinnings of behaviors that societies reject as sociopathic. Most neurological research into sociopathology has focused on regions of the neocortex involved in impulse control.
Many cultures recognize many levels of immoral behavior, from minor vices to major crimes. These beliefs are often encoded into the laws of a society, with methods of judgment and punishment for offenses.