The validity of subtypes based on antisocial personality disorder (APD) or childhood conduct disorder without adult APD (CD only) in patients with schizophrenia (or schizoaffective disorder) and a substance use disorder (abuse or dependence) was examined. APD patients scored lower on personality measures related to socialization and higher on antisocial behavior, psychopathy, and aggression. AP...

Research in psychiatric genetics has been revolutionized by the development of new and powerful molecular genetic techniques. Family, twin, and adoption studies of antisocial personality disorder (ASPD) and criminality are reviewed, and ramifications of new research methods for the study of antisocial behavior are considered. Implications of these developments for forensic psychiatry are discus...