Schizophrenia Flashcards
schizophrenia spectrum
a group of psychotic disorderes by severe disturbances of thought and associative looseness, impaired reality testing and limited socialization
psychosis
total inability to recognize ability reality, not a diagnosis by a symptom
schizophreniform
duration of symptoms is < 6 months
schizoaffective
symptoms are concurrent with major depressive, manic or mixed episode
delusional
non-bizarre delusions without other symptoms of psychosis
brief psychotic
acute onset of symptoms lasting < 1 month
substance-induced psychotic
psychosis within one month of substance intoxication or withdrawal
substance use and tobacco use disorders occur in how many schizo patients
50% of schizo patients
what is the leading cause of pre-mature death in schizo
suicide
what is the schizo gene
C-4
dopamine hypothesis
+ symptoms are associated with excessive dopamine transmission
- symptoms are associated with too little dopamine
non-genetic prenatal complications
viral infections
poor nutrition
hypoxia
exposure to toxins
psychological stressors
childhood sexual abuse
chronic poverty
high crime
stress increases cortisol levels which can cause other issues
environmental stressors for schizophrenia
street drugs before age 21
DSM-5 schizo diagnosis
2+ of the following for 1 month:
delusions hallucinations disorganized speech disorganized/catatonic behavior negative symptoms
positive symptoms
hallucinations
delusions
disorganized speech
bizarre behavior
acute onset - respond to antipsychotic
hallucination types
auditory visual tactile olfactory gustatory
command hallucinations
if they hear it in a familiar voice they are more likely to do it
ask what the voices are telling them to do
personal boundary difficulties
depersonalization
derealization