title: Platelet monoamine oxidase activity in mentally disordered violent offenders.
abstract: The activity of monoamine oxidase (MAO) in blood platelets among criminals undergoing forensic psychiatric examinations was studied. As compulsiveness, disturbed perceptions of reality, etc. are states not known to be related to MAO and yet possibly cause aggressiveness and violence among psychotic patients, we divided the patients into 2 groups, psychotic and nonpsychotic offenders. There was lower MAO activity among violent offenders than among nonviolent offenders. The difference between the violent and nonviolent offenders became greater when the subjects with a history of psychosis were removed. Furthermore, in the group of psychotic offenders, there was no statistical difference between violent and nonviolent individuals in this regard.
authors.affiliation: Department of Social and Forensic Psychiatry, Karolinska Institute, Huddinge, Sweden.
authors.forename: H
authors.initials: H
authors.lastname: Belfrage
authors.forename: L
authors.initials: L
authors.lastname: Lidberg
authors.forename: L
authors.initials: L
authors.lastname: Oreland
mesh_terms: D000328:Adult; D000374:Aggression / Q000502:physiology; D000437:Alcoholism / Q000175:diagnosis / Q000201:enzymology / Q000523:psychology; D000987:Antisocial Personality Disorder / Q000175:diagnosis / Q000201:enzymology* / Q000523:psychology; D001792:Blood Platelets / Q000201:enzymology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008995:Monoamine Oxidase / Q000097:blood*; D011618:Psychotic Disorders / Q000175:diagnosis / Q000201:enzymology* / Q000523:psychology; D012307:Risk Factors; D014754:Violence
chemical_list: D008995:Monoamine Oxidase