Schizophrenia Flashcards
Schizophrenia
- disruption of pathological processes
- distorted perception of reality
- altered emotions
- disturbances in thought, motivation and behavior
- occurs in about 1% of the population
- characterized by delusion, hallucination, disorganized speech, grossly disorganized behavior
- 1% of pop has it
- 25% have relapse
Subtypes of schizophrenia
- paranoid
- catatonic
- disorganized
- undifferentiated
- residual
Symptoms of schizophrenia
-can be positive or negative
Negative symptoms
- deficits in function, worse prognosis
- isolation, withdrawal, apathy, blunt emotional expression
- less influenced by medication
Positive symptoms
- delusions
- hallucinations
- loosening of association
- disorganized and in appropriate behavior
Delusions
- persecution: think others are trying to harm them
- reference: belief that objects have significance to them
- grandeur: they have great power
- identity: think they are someone else, ie Jesus
- guilt: think they committed a terrible sin
- control: thoughts and actions are being controlled by external forces
Disordered thought
1) formal thought disorder: word salad; detailed or incoherent speech
2) disorder of thought content; delusions may not be incoherent
Disordered mood in schizophrenia-mood congruent concept
- mood disturbance-flat in appropriate effect
- if depression or mania, diagnosis is usually schizoaffective disorder or psychotic mood disorder
Paranoid
- one or more delusions
- frequent auditory hallucinations
- no disordered speech, disorganized behavior or flat inappropriate affect
- hard to tell if just delusional
Disorganized
- disorganized speech
- disorganized behavior
- flat inappropriate affect
Catatonic
- scared stuff
- not moving or very repetitive for hours
- not communicating in that state
- residual type-continuing disorder milder forms; similar to catatonic
Undifferentiated
- look normal
- not that worried or paranoid
- may hallucinate, not paranoid
- ie thinking someone is cross dressing as a man
3 cases
1) David- paranoid, gathered evidence for beliefs, coherent won’t get procedures bc ppl will implant things
2) ms Leonard: paranoid, hear threatening voices, thinks shes pregnant
3) miss Wilcox: paranoid, stabbed herself, gathered evidence, high functioning
Schizo-brain disorder
- high heritability (but not as much as bipolar)
- diverse structural abnormalities
- dopamine an glial cells involved
Etiology: generic predisposition
-coordinator between twins is not 100% which indicates environmental influences
