schizophrenia and psychotic disorders Flashcards
schizophrenia spectrum and other psychotic disorders are a group of disorders involving what 3 things?
- Severely impaired cognitive processes
unusual or disordered thought processes
perceptual disturbances - Personality disintegration/deterioration
- Social withdrawal
lifetime prevalence of schizophrenia? men or women more?
1-2%
men
is schizophrenia the same as “split personality”?
NO!
when is the onset of schizophrenia?
early adulthood
hallucination
sensory perceptions not attributable to environmental stimuli
delusion
firmly held false personal beliefs
poverty of speech
lack of meaningful speech/limited output of speech (don’t give detail)
avolition
inability to take goal oriented action (doing laundry, going to work, paying bills)
loosening of associations vs disordered thinking
Loosening of associations – shifting from topic to topic
Disordered thinking – doesn’t make sense
catatonia
extreme loss of motor ability or constant hyperactive motor activity
*waxy flexibilty- someone else can change their body position and they will stay there
echolalia vs echopraxia
Echolalia – parrotlike repetition of word or phrase spoken by another person
Echopraxia – repetitive imitation of movements of another person
pyschotic symptoms are divided into what two categories?
positive: added factors
negative: detracted factors
positive symptoms: (5)
manifestations of psychosis: Hallucinations Bizarre behavior Delusions Disorganization of speech Thought disorder
negative symptoms: (8)
lack of normal functions: Flat affect Poverty of speech Avolition Social withdrawal Poor grooming Anhedonia Difficulty with abstract thinking Barren thought content
schizophrenia and other pyschotic disorders have abnormalities in the following 5 “domains”…
Delusions Hallucinations Disorganized thinking (speech) Grossly disorganized or abnormal motor behavior Negative symptoms
6 types of schiz. / other psychotic disorders
Schizophrenia Schizophreniform Disorder Schizoaffective Disorder Brief Psychotic Disorder Delusional Disorder Schizotypal Personality Disorder
schizophrenia Dx: has abnormalities in how many of the “domains”? how long must they have this for, for the dx?
2 or more domains during a month (may change month to month)
with the entire thing for at least 6 months
what are the 3 phases of schizophrenia?
Three Phases (typical)
- Prodromal Phase – onset and buildup of Sz sxs. Negative symptoms present.
- Active/Progressive Phase – psychotic symptoms, positive symptoms predominate (“Psychotic Break”)
- Residual Phase – active symptoms decline; prodromal symptoms remain
Review found ___ in ___ during first psychotic episode commits an act of serious violence
1 in 6
what defines a BRIEF psychotic disorder ?
- No longer than 1 month
- Returns to premorbid level of functioning
- Commonly encountered after catastrophic event
schizophreniform disorder: timeframe and symptoms
1-6 months
Same symptoms as Sz
schizoaffective disorder: symptoms?
Meets criteria for Sz (criterion A) as well as MDE or Manic episode
- aka with major depression or bipolar 1
delusional disorder: timeframe and symptoms
- Presence of 1 or more delusions
- 1 month or more in duration; functioning not markedly impaired
- Criterion A for Sz has never been met
genetics and schizophrenia
twin- MOST risk (40-65% chance)
1st degree relative- 10x risk
2nd degree relative- greater risk
