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32 Cards in this Set
- Front
- Back
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positive symptoms
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behavioral excesses:
hallucinations and delusions = paranoia |
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types of hallucinations
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audible thoughts, voices commenting, voices arguing
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hallucinations = increased levels
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of activity in broca's area = wont be able to articulate thoughts
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Negative symptoms
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behavioral deficits
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avolition
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lack of drive to do stuff
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alogia
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poverty of speech, don't say much
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anhedonia
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inability to experience pleasure
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flat affect
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exhibits little affect in face
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asociality
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inability to keep close relationships
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disorganized symptoms
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disorganized speech - incoherenece, derailment/loose associations
disorganized behavior - wearing heavy clothing in hot weather |
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catatonia
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motor abnormalities - flailing/excited limbs
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catatonic immobility
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maintain unusual posture for long period of time
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waxy flexibility
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can be manipulated by and posed by another person
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inappropriate affect
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laugh at funeral
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DSM IV TR - SCHIZOPHRENIA
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2 or more of the symptoms for more than 1 month
delusions hallucinations disorganized speech/behavior/catatonic negative symptoms declining social fxning signs of disturbance for at least 6 months |
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Subtypes
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disorganized
catatonic paranoid undifferentiated - meet crit for schizo but not subtype residual - no longer meets full crit. but usually the prominent gone but negative symptoms still around |
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schizophreniform disorder
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less than 6 months schizo type symptoms. early form
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schizoaffective disorder
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mood disorder and schizo
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delusional disorder
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non-bizarre delusions: jealousy, erotomania, stalking
bizarre: |
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brief psychotic disorder
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1 day to 1 month
triggered by extreme stress or post partam psychosis |
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etiology schizo - genetics
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apolopoprotein
most disorders |
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etiology schizo - neurotransmitters
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dopamine theory: EXCESS LEVELS
drugs that alleviate symptoms reduce dopamine activity amphetamines - which increase dopamine levels can induce psychosis |
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mesocortical pathway
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under reactive
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mesolimbic pathway
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overactive
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evaluation of dopamine theory
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blocks it immediately but symptoms take several weeks
to be effective antipsychotic - need other neurotransmitters to be involved = not just one thing!!! |
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etiology neurologically schizophrenia
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enlarged ventricles, loss brain cells
reduced activity in prefrontal cortex |
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developmental factors schizo
thats why? |
prefrontal cortex matures in late adolescence or early adult
dopamine activity peaks also excessive neuronal pruning - brain become more efficient but now too efficient that's why symptoms appear in late adolescense but brain damage occurs early in life |
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socio economic status - schizo
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highest rests among urban poor
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social selection theory
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people with schizo move down social economic system
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sociogenic hypothesis
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schizo common in poor
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tx of schizo - medication
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OLD typical: thorazine, haldol, navane
atypical: clorazil, resperdal, seroquel |
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tx schizo - psych treatments
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Freud - psycho therapy no work. meds, training
family therapy- reduce expressed emotions CBT - possible- recognize and challenge beliefs |
