Psychotic Disorders Flashcards
What is the common onset of schizophrenia?
3 common precipitating events for schizophrenia?
Later teen early adulthood
Psychosocial stressors, traumatic events, alcohol and drug abuse (marijuana!)
What is the prodromal picture of schizophrenia patients?
Not a lot of friends during teen years
Very little social life
What is the 1-2 punch etiology of schizophrenia he talked about?
Genetic and early life complications
2 viruses implicated in increasing the risk for schizophrenia?
Prenatal exposure to influenza during first trimester
Copenhagen perinatal cohort maternal upper respiratory infection
What does the revised dopamine hypothesis propose for schizophrenia?
Hyperactive dopamine transmission in the mesolimbic areas and hypoactive dopamine transmission in the prefrontal cortex
In addition, dopamine dysregulation is also observed in the amygdala and prefrontal cortex
What is going on with the dopamine system in the hippocampus in schizophrenia patients?
Overactive
4 positive symptoms of schizophrenia?
Delusions
Hallucinations
Disorganized thinking and speech
Abnormal motor behavior (including Catalonia)
5 negative symptoms of schizophrenia?
Reduced emotional expression Avolition Alogia Anhedonia Asociality
Good definitions of delusions?
Fixed beliefs in something untrue
How do we define hallucinations?
What are the most common hallucinations in schizophrenia patients?
Perceptions that occur without external stimuli
They can occur in any sensory modality, but auditory is the most common
What is the disorganized motor behavior to know for schizophrenia patients?
Catatonic
What type of symptoms account for most of the morbidity in schizophrenia patients?
The negative symptoms
What are the two most prominent negative symptoms in schizophrenia patients?
Diminished emotional expression
Avolition
What is the a,b,c,d,e f diagnostic critters for schizophrenia?
A. Two or more of the following symptoms and at least 1 of the first 3 for most of 1 month: delusions, hallucinations, disorganized speech, catatonic behavior, and negative symptoms.
B. Overall functioning is way less after onset of symptoms than before.
C. Continuous signs persist for at least 6 months
D. Other mood disorders with psychotic features ruled out.
E. No substance abuse or drug cause
F. If autistic first, need delusions or hallucinations
What is the diagnostic criteria for catatonic type of schizophrenia?
At least 2 of the following Motoric immobility Excessive motor activity Extreme negativsm or mutism Peculiar voluntary movement Repeating words or actions of others