Schizophrenia spectrum Flashcards
Number of symptoms for schizophrenia
2 or more
at least one must be hallucinations, delusions, disorganised speech
Undifferentiated type of schizophrenia
failure to meet criteria for another disorder
residual type
one past episode os schizophrania
continue to display less extreme residual symptoms
schizophreniform duration
1-6 months
schizophreniform is associated with ___ premorbid functioning
good
schizoaffective prognosis
similar to schizophrenia
in delusional disorder there is a lack of
positive and negative symptoms
Types of delusions
erotomanic (someone famous is in love with them) grandiose jealous persecutory somatic
brief psychotic disorder
less than a month
brought on by extreme stress or trauma
Remits on its own
Process vs reactive
insidious, biologically based, negative symptoms and poor prognosis
onset after stress, notable behavioral activity, best prognosis
Type 1
Positive symptoms
good response to drugs
optimistic prognosis
no intellectual impairment
Type 2
Negative symptoms
poor response
pessimistic prognosis
intellectual impairment
Prevalence of shcizophrenia
1% of population
Onset of schizophrenia
early adulthood but can emerge at any point but probably not after 40-50
Risk for monozygotic twins
48%
Risk for fraternal
17%
Behavioral markers for schizophrenia
Smooth pursuit eye movement
NT influences
Dopamine hypothesis but its overly simplistic, thus emphasis now on many NTs
Neurobiological influences
Structural abnormalities
-enlarged ventricles which reduces tissue volume
Hypofrontality
-Less active frontal loves which are a major dopamine pathway
Duration for delusions for criteria of delusional disorder
at least a month
Females tend to have a ___ prognosis than men
better
Which subtype of schizophrenia in dsm-4 had the best outcome
paranoid - intact affect and cognitive skills
