Schizophrenia Flashcards
In the ICD-10 criteria for schizophrenia, 1st rank symptoms
- thought disorders
- delusions of control, passivity
- auditory hallucinations
- other inappropriate/ impossible persistent delusions
In the ICD-10 criteria for schizophrenia, other symptoms after 1st rank
- Persistent hallucinations + delusions
- Breaks in train of thought (causing incoherence)
- Catatonic behaviour (excitement, stupor)
- Negative symptoms (eg marked apathy)
6 types of thought disorders
- thought block
- thought withdrawal
- thought insertion
- thought broadcasting
- thought echo/ audible thought
- breaks in train of thought
3 categories of symptoms in schizophrenia
- Reality distortion: delusions and hallucinations
- Disorganisation: thought disorder
- Psychomotor poverty: similar to negative symptoms
Negative symptoms in schizophrenia
• Blunted emotions, anhedonia • Poverty of thought: Not thinking much about anything • Social withdrawal • Apathy, loss of energy • Impaired attention •
Define delusions
Fixed false beliefs, cannot be corrected by logic.
Not consistent with culture and education of patient.
Difference between hallucinations and illusions
Hallucination = false perception without external stimulus
Illusion = misperception of real external stimulus
Difference between real vs pseudo auditory hallucinations
Real: hearing 3rd person voice talking about you
Pseudo: hearing your own voice in your head
In what type of disorders are pseudo-hallucinations common
Personality disorders
Delusions that exist in psychosis vs depression
PSYCHOSIS DELUSIONS
- grandoise
- delusional perception
- delusional reference
- passivity
DEPRESSION DELUSIONS
- nihilistic
- guilt
4 main subtypes of schizophrenia
- Paranoid
- Disorganised/ hebephrenic
- Catatonic
- Residual
What are nihilistic delusions
Believing that parts of body are rotting or dead
What are Fregoli delusions
Thinking that different people are a single person in disguise
What motor disorders may occur as a side effect of antipsychotics
- Dystonia
- Parkinsonism
- Akathisia
- Tardive dyskinesia
Difference between delusional disorder and schizophrenia
Schizophrenia features formal thought disorder (alongside delusions, hallucinations)
Delusional disorder only has delusions.
