9990 · 1.1.1
Diagnostic criteria for schizophrenia
**Schizophrenia diagnosis** (1.1.1) opens Clinical Psychology. Know **symptom types** and **classification debates**.
Need to know
What you need to know
- Positive symptoms add experiences, such as hallucinations (false perceptions) and delusions (false beliefs).
- Negative symptoms involve the loss of normal functions, such as avolition (lack of motivation) and affective flattening (reduced emotion).
- Disorganised symptoms, including confused speech and erratic behaviour, are another key feature.
- Negative symptoms can have a greater impact on day-to-day functioning and quality of life.
Explanation
Diagnostic criteria for schizophrenia
- Positive symptoms add experiences, such as hallucinations (false perceptions) and delusions (false beliefs).
- Negative symptoms involve the loss of normal functions, such as avolition (lack of motivation) and affective flattening (reduced emotion).
- Disorganised symptoms, including confused speech and erratic behaviour, are another key feature.
- Negative symptoms can have a greater impact on day-to-day functioning and quality of life.