what is hebephrenic schizophrenia characterised by?
changes in affect
behaviour that is aimless or disjointed
what role do hallucinations and delusions have in hebephrenic scz?
they don't dominate the clinical picture
they are quite fragmented
which type of person specifically does hebephrenic scz tend to be diagnosed in?
adolescents or young
in hebephrenic scz do pts tend to develop pos or neg symptoms?
which is the type of scz where delusions and hallucinations are prominent?
paranoid scz (delusions pertain to the individual) eg persecutory, grandiose, love
what is simple scz?
progressive development of ODDITIES of social behaviour, social withdrawal
delusions and hallucinations not evident
its the least psychotic type of scz
get lots of negative symptoms eg apathy, blunting of affect, lack of initiative and drive
how long do the symptoms of simple scz have to be around for it to be diagnosed?
what is the ICD10 criteria for diagnosis of schizophrenia?
symptoms for at least 1 months
at least one:
delusion of control
at least 2 of:
persistent hallucinations in any form
formal thought disorder eg incoherent speech, neologisms
decrease in social functioning
give some features of bipolar affective disorder?
flight of ideas
what is catatonic scz dominated by?
psychomotor disturbances which may fluctuate between extremes of excitement and hyperkinesis to stupor and mutism
what is residual schizophrenia?
chronic stage in schizophrenic illness where there is a clear progression from an active psychotic phase to a chronic negative phase
what are the similarities between simple and residual schizophrenia?
both marked by a negative phase
what is the difference between simple and residual scz?
residual is always preceded by an active psychotic phase
how is schizotypal disorder different to scz?
lacks hallucinations and delusions
but transient psychotic experiences may occur
what are the characteristics of schizotypal disorder?
ideas of reference
eccentric appearance and speech