Schizophrenia Flashcards
what are the diagnostic guidelines for schizophrenia based on?
the first rank symptoms
what are the four core symptoms of schizophrenia?
delusions
auditory hallucinations
thought interference
passivity phenomena
what is the ICD-10 criteria for a diagnosis of schizophrenia?
one A item or two B items present for most of the time during an episode of psychotic illness last at least one month
what are the four A criteria for schizophrenia?
thought interference
passivity
auditory hallucinations
delusions
what are the four B criteria of schizophrenia?
persistent hallucinations
neologisms
catatonic behaviour
negative symptoms
name three sub types of schizophrenia
paranoid
hebephrenic
catatonic
what is the most common sub type of schizophrenia?
paranoid
what symptoms predominate in paranoid schizophrenia?
the first rank symptoms
which type of schizophrenia is more common in younger patients?
hebephrenic
what symptom is prominent in hebephrenic schizophrenia?
affective changes
negative symptoms
what symptoms predominate in catatonic schizophrenia?
movement disorder
what is the main feature of persistent delusional disorder?
systematised, fixed delusions
what characterises schizotypal disorder?
eccentric behaviour and anomalies of thinking that resemble schizophrenia, but no definite schizophrenic anomalies at any stage
what is acute and transient psychotic disorder?
schizophrenia like symptoms lasting under a month
name two induced delusional disorders
foile a deux
foile a plusiers
what is schizoaffective disorder?
affective and schizophrenic symptoms are prominent but do not justify diagnosis of schizophrenia or a mood disorder
how does schizoaffective disorder present?
first rank symptoms of schizophrenia
depression or mania
name four positive symptoms of schizophrenia
hallucinations
delusions
passivity phenomena
disorder of the form of thought
name five negative symptoms of schizophrenia
reduced speech reduced motivation reduced interest reduced social interaction blunted affect
what neurodevelopment changes may be seen in patients with schizophrenia?
enlarged ventricles
thinner cortices
when does schizophrenia usually come on?
young adults
what neurochemical change may be seen in patients with schizophrenia?
altered dopamine signalling
