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Forensic PsychologyThe application of the science and profession of psychology to questions and issues relating to law and the legal system
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Forensic Psychiatry
A medical subspecialty that applies psychiatry to the needs of...
© 2004 Pearson Education, Inc.
…crime prevention and solution, criminal rehabilitation, and issues of the criminal law
Forensic Psychiatry
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Personality is the major motivational element within individuals. It is the seat of drives and the source of motives
Psychological Theories
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Psychological Theories
Crimes result from abnormal, dysfunctional, or inappropriate mental processes withinthe personality
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Psychological Theories
Criminal behavior may be purposeful for the individual insofar asit addressescertain felt needs
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• Normality is defined by social consensus
• Defective mental processes may have a variety of causes
Psychological Theories
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Early Psychological Theories
• Behavioral conditioning
• Personality disturbances and diseases of the mind
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The Psychopath (Sociopath)
• Does not feel empathy with others• Is unable to imagine how others think and feel
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Is able to inflict pain and engage in cruelty without empathy for the victim
The Psychopath (Sociopath)
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Antisocial Personality
• Exhibits behavior that brings him or her into conflict with society
• Is basically unsocialized
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Is incapable of significant loyalty to individuals, groups, or social values
Antisocial Personality
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Psychoanalysis
Criminal behavior is maladaptive, or the product of inadequacies inherent in the offender’s personality© 2004 Pearson Education, Inc.
The Psychotic Offender• Is out of touch with reality in some fundamental way
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Crime is a compromise, representing for the individual the most satisfactory method of adjustment…
Crime as Adaptive Behavior
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Crime as Adaptive Behavior
…to inner conflicts which he or she cannot express otherwise
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Behavior Theory
Behavior is determined by environmental consequences which it produces for the individual concerned
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Major determinants of behavior are found in the environment surrounding the individual
Behavior Theory
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Attachment Theory
Delinquent behavior arises whenevernon- secure attachments are created
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Self-Control Theory
Low self-control is the premier individual-level cause of crime
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Insanity and the Law
For purposes of the criminal law, insanity is strictly a legal, not a clinical, determination
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• M’Naughten Rule
• Irresistible Impulse Test
• Durham Rule
• Substantial Capacity Test
Insanity and the Law
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