Psychosis Flashcards
(Schizophrenia)
What is psychosis?
A state defined by a loss of contact with reality. The perceive and respond to the environment is significantly disturbed - functioning is impaired.
What are the symptoms of psychosis?
Hallucinations and or delusions. They can be substance induced or caused by brain injury but most psychosis appears in the form of schizophrena.
What socioeconomic group is more likely to have sz? Why could this be the case?
More frequent in lower classes. Stress of poverty is theorised to cause sz. There is also the downward drift theory that posits that SZ causes victims to fall from higher social levels and remain at lower levels
What are the statistics of marital status and sz?
3% of divorced or separated people
2% of single people
1% of married people
Unclear whether marital problems are a cause of a result
Do men and women’s diagnosis differ?
Equal number of men and women are diagnosed , in men symptoms begin earlier and are more severe
What is the link between schizophrenia and ethnicity ?
About 2% of african americans are diagnosed , compared with 1.4% of caucasians . African americans are more likely to be poor and experience marital separation.
When controlling for these factors, rates of schizophrenia are equal for the two racial groups.
What does sz affect?
Brain and behaviour disorder affecting how one thinks, feels and acts. Can have trouble distinguishing reality from fantasy , expressing and managing normal emotions and making decisions. Can have trouble distinguishing reality from fantasy , expressing and managing normal emotions and making decisions.
What are the three types of symptoms?
- negative
- positive
- psychomotor
Briefly list positive symptoms of SZ
Delusions, disordered thinking and speech, heightened perceptions , hallucinations
Briefly list negative symptoms of SZ
poverty of speech , long lapses before responding to questions, slow speech, blunted and flat affect, expressionless face, apathetic, monotonous voice, loss of volition (motivation) , social withdrawal.
Briefly list psychomotor symptoms of SZ
Awkward movements, repeated grimaces, odd gestures , movements seem to have a magical quality, catatonia, stupor, rigidity, excitement
What are the five subtypes of SZ in the DSM-5?
Disorganised, catatonic , paranoid, undifferentiated, residual
What is disorganised SZ?
confusion, incoherence, flate or inappropriate affect
What is catatonic sz?
psychomotor disturbance of some sort
What is paranoid sz?
Orgabnised system of delusions and auditory hallucinations
What is undifferentiated sz?
characterised by symptoms which fit no subtype, vauge category