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5 Legal & Criminological Psych. 1 (2000)

handle is hein.journals/legadclpy5 and id is 1 raw text is: Legal and Criminological Psychology (2000), 5, 1-21  Printed in Great Britain          1
© 2000 The British Psychological Society
Treatment or incapacitation? Implications of
research on personality disorders for the
management of dangerous offenders
Ronald Blackburn*
University of Liverpool, UK
Research on personality disorders and their treatment is examined in the light
of recent proposals for dealing with offenders who have 'severe personality dis-
orders'. Problems in the classification and diagnosis of personality disorders are
highlighted by the extensive comorbidity found between personality disorders and
between these and other mental disorders. This reveals that those identified as
antisocial or psychopathic are heterogeneous and are likely to have multiple
psychological dysfunctions. This is not captured by the term 'severe personality
disorder', and this term has too many differing meanings to be useful. Although
applied to only a limited range of personality disorders, treatment of these
disorders in mental health settings has successfully reduced impairment and
demonstrated personality change. It is concluded that personality disorders among
serious offenders are a health care problem and that attempts to develop the more
promising treatment methods in existing settings are justified.
Personality is coming back into fashion in applied psychology. For a few
practitioners it never disappeared, but recent inclusions of articles on personality
disorder in behaviour therapy journals (e.g. Arntz, 1999) suggest the beginnings
of a seismic shift! Developments in psychology certainly justify attention to
personality. For example, longitudinal research demonstrates that personality is a
persistent risk factor for psychopathology (Krueger, Caspi, Moffitt, Silva, & McGee,
1996), and Mischel, still cited by behaviourists as having sounded the death knell of
personality psychology, now accommodates both traits and situational variation in
social cognitive theory (Mischel & Shoda, 1995). However, renewed interest
in personality among clinicians has been particularly apparent since the third
edition of the Diagnostic and Statistical Manual (DSM-III; American Psychiatric
Association, 1980) classified personality disorders separately on Axis II to
distinguish them from the traditional mental disorders or clinical syndromes of
Axis I.
Interest in personality disorders (PDs) has also increased among practitioners
and policy-makers in the criminal justice system, but this interest continues to
*Requests for reprints should be addressed to Professor Ronald Blackburn, Department of Clinical Psychology,
University of Liverpool, The Whelan Building, Quadrangle, Brownlow Hill, Liverpool L69 3GB, UK (e-mail:
ronb@liverpool.ac.uk).

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