Schizophrenia Flashcards
What is Schizophrenia?
the mental disorder which disrupts though process, perception, social interaction and emotional responsiveness
Is schizophrenia treatable?
Yes, it is a treatable disorder with treatment more effective in initial stages.
What percentage of people with schizophrenia aren’t receiving appropriate care?
Over 50% of people with schizophrenia aren’t retrieving appropriate care.
What is the treatment situation in developing countries for schizophrenia?
90% of people aren’t being treated in developing countries.
How was mental illness referred to before the 19th century?
Mental illness was referred to as idiocy, dementia, mania, and melancholia.
Who divided functional psychosis into two classes?
Kraepelin divided functional psychosis into manic-depressive psychosis and dementia praecox.
What does ‘dementia praecox’ refer to?
It refers to a steady downhill course leading to chronic impairment, later renamed ‘schizophrenia’ by Bleuler.
What does the term ‘schizophrenia’ mean?
‘Schizophrenia’ translates to ‘shattered mind’ and indicates that the constituent parts of the mind are disconnected, not split personality.
What are the two types of symptoms in schizophrenia?
Positive symptoms, which add to an individual’s reality, and negative symptoms, which take away from reality.
What are examples of positive symptoms?
Hallucinations, delusions, disorganized speech, and disorganized/catatonic behavior.
What are examples of negative symptoms?
Flattened affect and avolition.
What are the DSM-5 diagnostic criteria for schizophrenia?
Characteristic symptoms, social/occupational dysfunction, duration of at least 6 months, schizoaffective and mood disorder exclusion, general medical condition exclusion, and relationship to a pervasive development disorder.
What is the typical onset age for schizophrenia?
Onset typically occurs in early adulthood.
Which gender is more frequently affected by schizophrenia?
Men are affected more frequently, severely, and earlier.
What is the lifetime risk of developing schizophrenia?
The lifetime risk is approximately 1%.
What is the annual incidence of schizophrenia?
The annual incidence is 15 per 100,000.
What percentage of patients with schizophrenia attempt suicide?
30% of patients attempt at least once during their lifetime.
What is the risk of developing schizophrenia for first-degree relatives?
The risk is 2-9% for first-degree relatives.
What do twin studies suggest about schizophrenia?
Monozygotic twins show 50% concordance, while dizygotic twins show 4%, suggesting genetic factors are important.
What are some environmental factors associated with schizophrenia?
Season of birth, influenza during pregnancy, maternal malnutrition, complications during pregnancy, and stress during pregnancy.