A Cognitive Model of the Positive Symptoms of Psychosis (Garety et al 2001)

1. A Cognitive Model of the Positive Symptoms of Psychosis(Garety et al 2001) Emotional changes Bio-psycho-social vulnerability Trigger Basic cognitive dysfunction Anomalous experience Appraisal of experience Positive Symptoms • Appraisal influenced by: • reasoning & attributions • dysfunctional schemas of self & world • isolation & adverse • environments • Maintaining factors • reasoning & attributions • schemas, emotions & safety behaviours • appraisal of psychosis • adverse environments

2. Ms Doris Jones Triggers • Left school – social difficulty at work • IBS - flatulence Vulnerability Emotion changes • Disrupted childhood • View of self as: • - unlovable/bad • - different • Worrying about how others see me • Family history of schizophrenia • Depressed and • socially anxious Anomalous experience Positive Symptoms Appraisal • Ideas of reference • Perceptions of bad • smell and bowel movements • Voices with no clear speaker • Abusive voices • The neighbours want to harm me • Everyone can smell me I smell bad and people are commenting on me Maintenance Appraisal influenced by: • Avoidant safety behaviours • Hypervigilance, JTC & confirmatory bias • Worry re lack of control • Depression and low self- esteem • Self-consciousness • Vigilance for signals from others and confirmatory bias • Jumping to conclusions (JTC) • Social isolation • Negative schemas re self