AO1

• Negative symptoms appear to reflect a dimminution or losss of normal functioning
• Example of negative symptom

  • Speech poverty
  • Avolition
  • Affective flattening
  • Anhedonia
• Positive symptoms appear to reflect an excess or distortion of normal functioning
• Examples of positive symptoms

  • Hallucinations
  • Delusions
  • Disorganised speech
  • Grossly disorganised
• 1% of the population have schizophrenia
• Avolition is a chronic lack of motivation to complete tasks
• Delusions is where a person holds an incorrect belief that is fixed and unchangeable in spite of offering evidence.
• Hallucinations is an additional sensory experiences e.g. seeing someone that isn’t really there.
• Speech poverty is the inability to produce fluent and coherent speech