Introduction: Biological factors in crime causation: the reactions of social scientists Sarnoff A. Mednick Part I. Methodological questions and implications: 1. Some cautions for the biological approach to crime causation Gordon Trasler 2. Watch out for that last variable Malcolm W. Klein 3. Implications of biological findings for criminological research David P. Farrington 4. Definitions of antisocial behaviour in biosocial research Preben Wolf Part II. Evidence for the role of genetics: 5. Genetic factors in the etiology of criminal behaviour Sarnoff A. Mednick, William F. Gabrielli, Jr., and Barry Hutchings 6. Genetic and environmental factors in antisocial behaviour disorders C. R. Cloninger and I. I. Gottesman Part II. Psychophysiological and neurophysiological factors: 7. Autonomic nervous system factors in criminal behaviour Peter H. Venables 8. Electroencephalogram among criminals Jan Volavka 9. Childhood diagnostic and neurophysiological predictors of teenage arrest rates: an eight-year prospective study James H. Satterfield Part IV. Neurological factors: 10. Cerebral dysfunctions and persistent juvenile delinquency W. Buikhuisen 11. Violent behaviour and cerebral hemisphere function Israel Nachshon and Deborah Denno 12. Perceptual asymmetries and information processing in psychopaths Robert D. Hare and John F. Connolly Part V. Biological Factors: 13. The neuroendocrinology and neurochemistry of antisocial behaviour Robert T. Rubin 14. Testosterone and adrenaline: aggressive antisocial behaviour in normal adolescent males Dan Olweus 15. Personality correlates of plasma testosterone levels in young delinquents: an example of person-situation interaction? Daisy Schalling 16. Metabolic dysfunctions among habitually violent offenders: reactive hypoglycemia and cholesterol levels Matti Virkkunen Part VI. Treatment Issues: 17. The role of psychosurgical studies in the control of antisocial behaviour Mark A. J. O'Callaghan and Douglas Carroll 18. Pharmacological approaches to the treatment of antisocial behaviour C. R. Cloninger Indexes.