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Chapter 10

PSYC39 - Psych and the Law - Chapter 10: Mentally Disordered Offenders

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Department
Psychology
Course
PSY100H1
Professor
David Nussbaum
Semester
Fall

Description
Chapter 10: Mentally Disordered Offenders:  Many suffer from anxiety and depression  Prevalence rates o Psychotic illness  Male = 3.7  Female = 4.0% o MDD  Male = 10%  Female = 12% o Antisocial Personality Disorder  Male = 47%  Female = 21%  Prisoners = more that 10X as likely to have psychotic disorder, PTSD, opioid use disorder, sedative use disorder or stimulant use disorder compared to community sample  10 personality disorders in DSM o Cluster A = odd or bizarre beh  Paranoid, schizoid, schizotypal o Cluster B = dramatic or erratic beh  Antisocial, histrionic, narcissistic, borderline o Cluster C = anxious or inhibited beh  Dependent, avoidant, OC  Personality disorders between 14-88% of offenders depending on region  Most common type of personality disorder in male = antisocial and paranoid personality disorders o Female = antisocial and borderline personality disorders  Paranoid and antisocial personality disorders most common and dependent and histrionic disorders = least common o Prisoners with personality disorders report – childhood conduct problems, adverse child experiences, victimizations  Characteristics of People found NCRMD and UST: o Mostly male o Slightly older than average (31) o Not an overrepresentation of Aboriginals o 50% = prior criminal conviction o Only 10% of NCRMD had a prior NCRMD o Almost none of the ppl with UST had prior UST o 77% of NCRMD charged with violent offence, mostly assault o UST most likely to be charged with sexual offence or non-violent offence but less likely to be charged with violent offence o 50% = diagnosed with single disorder  18% had 3 or more co-occurring disorders  Most common diagnosis = schizophrenia, then affective disorder  Small percentage of NCRMD = personality disorder  NCRMD = most likely affective disorder or personality disorder  UST = mental retardation or organic brain disorders  sexual offence  Pscyhopaths, offenders with substance abuse problems and ppl with some psychotic disorders are at a higher risk to reoffend  Bipolar disorder = 3.3X more likely to have 4 or more incarcerations over 6-yr period then were other non-mentally disordered offenders  Mental health court in 1998 for Canada – deal with pre-trail issues like fitness to stand trial o Help accused with mental illness to establish community plan o In US, successful completion of the mental health court program = reduced recidivism and violence  Risk
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