Psychotic Disorders Flashcards
Psychotic symptoms include:
Delusions
Hallucinations
Disorganized speech
Disorganized behavior
What is the prevalence of schizophrenia in the US?
1%
Subtypes of schizophrenia include?
Paranoid, catatonic, disorganized, undifferentiated and residual
Schizophrenia involves a continuous period of signs of illness of how long?
6 months
Positive vs. Negative symptoms of schizophrenia.
Positive: Excesses or bizarre additions to normal thoughts, emotions or behaviors
Negative: Seem to be severe deficits (Flat affect, decreased emotional reactivity, alogia or avolition)
What is alogia? Avolition?
Alogia: Poverty of speech
Avolition: Lack of purposeful action
What is the life expectancy of a schizophrenic? Why?
Shorter than normal; 40% attempt suicide, 10-20% succeed
What is the age of onset for schizophrenia?
Females: 25
Males: 18
What is the role of genetics in schizophrenia?
Play a significant role, but not enough evidence alone to account for it
Chances of developing schizophrenia with a family history?
Sibling: 10%
Parent: 13%
MZ cotwin: 42%
Both parents: 46%
Symptoms are more or less severe in females?
Less; More severe in males
What chemical is implicated in schizophrenia research?
Dopamine
What psychosocial factor is no longer thought to be the cause of schizophrenia?
Schizophrenogenic mother
What disorder is characterized by at least 1 month of non-bizarre delusions without other active-phase symptoms of schizophrenia?
Delusional Disorder
A psychotic disorder that lasts more than a day and remits by 1 month is called?
Brief Psychotic Disorder
What two criteria differentiate schizophreniform disorder from schizophrenia?
- Duration- 1 month, but less than 6 months
2. Doesn’t necessarily impair social/occupational functioning
A disturbance that develops in an individual who is influenced by someone else who has an established delusion with similar content?
Shared Psychotic Disorder
Combines the symptoms of schizophrenia with a major affective disorder like bipolar?
Schizoaffective disorder
Antipsychotic drugs in the ’90s were much better at controlling what symptoms?
Positive
Common antipsychotic drugs.
Clozaril, Risperdal, Zyprexa, Seroquel and Geodon
What is the most common side effect of today’s antipsychotic drugs?
Tardive dyskinesia
