Psychosis and Schizophrenia Flashcards
do MSE deck for definitions
some also in this deck
what are ideas of reference
innocuous or coincidental events will be ascribed significant meaning by the person
what are self referential experiences
the belief that external events are related to oneself - can be anything from the feeling that others are laughing at you to self referential delusions/delusion of reference e.g. the tv is transmitting messages to me or i am the second coming of christ
what is a secondary delusion
attempt to explain anomalous experience e.g. thought insertion explained by they are being transmitted to me by the mafia
what is poverty of speech
not being able to muster anything to say
what is a functional hallucination
only occurs in response to a specific que e.g. noise
psychosis is
inability to cope with or recognise reality
characterised by lack of insight
commonly see hallucinations, delusions, disorder of thought, ideas of reference
3rd person auditory hallucinations suggest
schizophrenia
tactile hallucinations suggest
delirium
alcohol withdrawal
what drugs can induce psychosis
amphetamine levodopa steroids antimalarials anticonvulsants
depressive psychosis or mania with psychosis is typified by _____ _____ content of psychotic symptoms
mood congruent
you would most commonly see what delusions in depressive psychosis
delusions of worthlessness/guilt/poverty/nihilism/poverty/hypochondriasis
you would most commonly see what hallucinations in depressive psychosis
derogatory 2nd person hallucinations - accusing/insulting/threatening
you would most commonly see what delusions in mania with psychosis
grandieur/persecution/religion
what hallucinations would you see in mania with psychosis
2nd person e.g. gods voice
what psychotic features are seen in delirium
visual hallucinations/illusions
threatening auditory hallucinations
persecutory delusions
what causes Schizophrenia
genetically determined neurodevelopmental vulnerability later triggered by environmental stressors
what is the ICD10 criteria for schizophrenia
symptoms present most of the time for at least a month
1 of:
- 3rd person auditory hallucination
- delusion of control/influence/passivity
- thought disorder
- persistent delusions that are culturally inappropriate and completely impossible
or 2 of:
- persistent hallucinations in any modality
- neologisms, breaks or interpolations leading to incoherent irrelevant speech
- catatonic behaviour
- negative symptoms
what is catatonic behaviour
abnormal movements caused by disturbed mental state
- excited, negativism, mutism, stupor, posturing or waxy flexibility
do schizophrenics have insight
no
what are 1st rank symptoms
suggestive of schizophrenia in absence of drug use or organic impairment but arent pathognomic
what are the 1st rank symptoms
(the 1 ofs) delusion delusional perception 3rd person auditory hallucinations or audible thoughts thought disorder passivity of experience
what are some negative symptoms
reduced amount of speech reduced drive/motivation reduced interest/pleasure reduced social interaction blunted/incongruent affect
what is the most common type of schizophrenia
paranoid
what symptoms are predominant in paranoid schizophrenia
1st rank symptoms
what are 2 other types of schizophrenia
catatonic
hebephrenic
what is catatonic schizophrenia
movement disorder predominates
what is hebephrenic schizophrenia
disorganised - odd delusions and behaviours, thought disorders
what is mutism
inability to speak
what is negativism
resistance to command/attempts to be moved
what is command automatism
will do whatever you ask them to do
what is schizoaffective disorder
bridge between BPD and schizophrenia
- psychosis and mood symptoms present in equal measure
schizophrenia is more common in females/males
males
wha tis the peak onset of schizophrenia in females
25-35
what is the peak onset of schizophrenia in males
15-25
true/false
schizophrenia is more common in low socio-economic classes
true
what are some things that increase risk of schizophrenia
FAMILY HISTORY cannabis prenatal exposure to infection/stress birth complications urban dwelling
what mutation carries a higher risk of schizophrenia
22q11
true/false
schizophrenia is more common in caucasians in UK
false
more common in afro-carribean in UK
what would a typical pre-morbid history of schizophrenia look like
subtle motor, cognitive and social deficits in childhood that increase as time goes on
in schizophrenia there is ____ enlargement, decrease in __________
lack of ____
ventricular
grey matter volume and amount of healthy white matter
lack of gliosis
what are some good prognostic indictors
older age of onset
female
family history of mood disorder
marked mood disturbance particularly elation
when is suicide risk highest in schizophrenia
week of discharge from hospital
What are some poor prognostic indicators
younger age of onset insidious onset hebephrenic subtype long duration of untreated schizophrenia social isolation cognition impairment