High Quality Content by WIKIPEDIA articles! Antisocial personality disorder (ASPD or APD) is defined by the American Psychiatric Association's Diagnostic and Statistical Manual as "...a pervasive pattern of disregard for, and violation of, the rights of others that begins in childhood or early adolescence and continues into adulthood. "The individual must be age 18 or older, as well as have a documented history of a conduct disorder before the age of 15. People having antisocial personality disorder are sometimes referred to as "sociopaths" and "psychopaths", although some researchers believe that these terms are not synonymous with ASPD.