Antisocial personality disorder Medical condition Antisocial personality disorder (ASPD), also known as dissocial personality disorder (DPD) and sociopathy, is a personality disorder, characterized by a pervasive pattern of disregard for, or violation of, the rights of others. An impoverished moral sense or conscience is often apparent, as well as a history of crime, legal problems, or impulsive and aggressive behavior. Previously Called 'New One' Highest- #975 in Horror