Diagnosis & classification Flashcards
What percentage of the population suffer from Sz?
1%
What does Sz not have?
a single cause but rather a cluster of symptoms that appear unrelated
What are the two major classification systems for Sz?
ICD 10/DSM-5
What do you need to have for DSM?
one positive symptom such as delusions/hallucinations/speech disorganisations
What do you need to have for IDC-10?
2 or more negative symptoms
What is paranoid Sz characterised by?
powerful delusions and hallucinations but relatively few other symptoms
Positive symptoms?
- hallucinations
- delusions
What are hallucinations?
- unusual sensory experiences
- events in environment
What are delusions?
- irrational beliefs
- involve people like Jesus
- behave in a bizarre way
What is avolition?
finding it difficult to begin/keep up with a goal directed activity
What did Andreason identify?
three identifying signs of avolition
What were the three identified signs?(Andreason)
- poor hygiene
- lack of interest in work/education
- lack of energy
What does the ICD-10 recognise speech poverty as?
negative symptom
What does the DSM-5 recognise speech poverty as?
positive symptom
