The interactionist approach to schizophrenia

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  • The interactionist approach to schizophrenia
    • Meehl's diathesis-stress model
      • vulnerability was entirely genetic due to 'schizogene' based on schizotypic personality (vulnerable to stress)
        • if one does not have the schizogene, no amount of stress will give them schizophrenia
    • the modern understanding of diathesis
    • the modern understanding of stress
      • parenting still important but stress is now anything that increases the risk of triggering schizophrenia
        • cannabis is a stressor because it increases the risk of schizophrenia by 7x per dose as it interferes with dopamine
          • not the only factor though as not everyone who smokes develops
        • Houson et al
          • cannabis is a stressor because it increases the risk of schizophrenia by 7x per dose as it interferes with dopamine
            • not the only factor though as not everyone who smokes develops
    • Treatment
      • both biological (antipsychotic) and psychological treatments (CBT)
        • Turkington et al: CBT relieves psychological symptoms
          • unusual to do one without the other as they work perfectly together

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