Psychotic Disorders KEY CONCEPTS Flashcards
schizophrenia diagnostic criteria
A) 2+ PSYCHOTIC sx for a month (delusions, hallucinations, disordered speech, disorganized/catatonic behavior, negative symptoms)
B) Social/occupational DYSFUNCTION
C) TIME: 6 months
schizophrenia subtypes
Catatonic Disorganized Paranoid Undifferentiated Residual
- not used clinically
- not in DSM-5
schizophreniform diagnostic criteria
1) Schizophrenia-like PSYCHOSIS (delusions, hallucinations, thought disorder, disorganized/catatonic behavior, negative sx)
2) Not enough TIME:
- more than 1 month
- less than 6 months
- provisional
- not a valid construct
schizoaffective disorder diagnostic criteria
1) Schizo/Mood psychosis
- mania/depression/mixed state WITH schizophrenia criteria “A”
- hallucinations/delusions for 2 weeks after mood is stable
- prominent mood symptoms
delusional disorder diagnostic criteria
1) DELUSION(s) for 1 month
-preserved functioning
-unknown cause
-rare
-never criteria “A” for schizophrenia
(thought content psychosis only)
brief psychotic disorder diagnostic criteria
1) psychosis UNDER STRESS
- schizophrenia criteria “A”
2) BRIEF: 1 day to 1 month
-self resolving
positive symptoms
-superimposed on the normal state
Hallucinations
Delusions
Thought disorder
Disturbed behavior
negative symptoms
-absence of something that is normally present
Affect flattening Apathy Avolition Alogia Anhedonia (lack of experience of pleasure) Asociality Attention Poor self-monitoring
- least treatable
- link to dysfunction
- suicide less likely
what type of hallucinations indicate organic etiology?
NOT auditory
-visual, olfactory, tactile, gustatory
what does “organic” imply?
organic = disorder of brain
as opposed to “functional” disorders = disorder of mind
hallucinations
- perceptions WITHOUT stimulus
- can be auditory, visual, olfactory, gustatory, tactile
delusions
- fixed, false beliefs
- untrue and “contrary”
-thought content psychotic
examine thought by studying __________
examine thought by studying SPEECH
types of formal thought disorders
- speech poverty/content poverty (alogia)
- perseveration (repeat)
- distractibility
- blocking (stop suddenly)
- echolalia, clang/bang, neologisms
- tangentiality
- circumstantiality
- loose associations/derailment
- incoherence/illogical (jumbled nonsense)
schizophrenia:
- prevalence
- lifetime incidence
- # in US
schizophrenia
- prevalence: 1%
- lifetime incidence: 1-2%
- 2+ million people in US
