ODC THEORY AND TREATMENT

  • Created by: nhurdiss
  • Created on: 01-04-19 10:58
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  • OCD
    • Obsessive Compulsive Disorder
      • Compulsions: repetitive behaviors completed for temporary relief from anxiety
        • Praying, counting, collecting, washing
      • Obsessions: unwanted and intrusive thoughts, often unpleasant and causing disgust and anxiety
        • Symmetry, sex, violence, contamination
      • Behavioral component; compulsive ritual
      • Cognitive component; obsessive thinking
    • BIOLOGICAL THEORIES
      • genes
        • SERT GENE
          • mutation associated with low mood and depression
            • Ozaki et al - two families had SERT mutations and 6/7 family members had OCD
        • COMT GENE
          • Variations linked to increased dopamine and stereotyped movement
        • AO3
      • neural
        • BASAL GANGLIA
          • Linked to coordination of movement
            • MAX et al: disconnection of BG from PFC reduced OCD symptoms
        • THE 'WORRY CIRCUIT'
          • Orbito-frontal Cortex (OFC) sends worries to the Thalamus via the Caudate Nucleus
            • Damage to the CN leads to amplification of worries, no neutralization occurs
        • NTs
          • Dopamine; High level linked to compulsions, basal ganglia.
            • Sukel (2007); high levels lead to oversensitivity
          • Serotonin; low level linked to anxiety, OFC & CN
            • Walker (2009); low levels may lead to malfunction
        • AO3
    • NON BIOLOGICAL THEORY
      • mowrer's two step process
        • NS becomes associated with anxiety through CC
          • Obsessions maintained by avoidance, negative reinforcement
        • Learned Helplessness
          • Negative childhood experiences that are unavoidable
            • Behavior is accepted, compulsions created to cope with anxiety
        • AO3
  • Anxiety
    • Compulsions
      • Relief
        • Obsessions
          • Anxiety
            • Compulsions
              • Relief
                • Obsessions
    • SSRI treatments are successful, so NTs must be implicated
    • Aetiology fallacy
    • Face validity; phobic stimuli generating anxiety makes sense
    • CBT is most common treatment; ignores cog aspect of obsessive thinking

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