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Conférence offerte exclusivement en anglais / Conference offered exclusively in English


The conference begins by reviewing evidence about assaultive behaviour, nonviolent crime, violent crime and homicide by men and women presenting schizophrenia. Next, the subgroup of persons with schizophrenia who commit the most assaults and crimes is described. Studies showing that this subgroup is distinct from other persons with schizophrenia, not only as to behaviour, but also as to brain structure and functioning and response to antipsychotic medications are presented. The implications for mental health services of this evidence are then discussed. Since most persons with schizophrenia who will offend in their lifetime acquire at least one conviction prior to first treatment for psychosis, the importance of identifying and treating these persons at first episode is highlighted. Finally, the conference concludes by presenting evidence of effective treatment for both schizophrenia and assaultive behaviour and/or criminality and primary prevention.



  • Describe the empirical evidence about assaultive behaviour, non-violent, violent crime and homicide among persons with schizophrenia;
  • Provide empirical evidence about the patients who engage in assaultive behaviours and crime;
  • Provide evidence that much crime could be prevented if treatments to prevent violence were undertaken in first-episode psychosis services;
  • Describe what is known about effective treatments for assaultive behaviour and crime among persons with schizophrenia.



Sheilagh Hodgins, Ph.D., F.R.S.C.

Sheilagh Hodgins, Ph.D., F.R.S.C.

Professor, Department of Psychiatry and Addictology, University of Montréal


Cette activité de formation a été reconnue comme activité de formation continue pour divers professionnels ou intervenants :


Ordre des psychologues du Québec
Cette activité de formation continue en psychothérapie est reconnue par l’Ordre des psychologues du Québec. No de reconnaissance OPQ : RA05945-23