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Flashcards in psychosis and schizophrenia REVISE Deck (58)
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1

relationship between psychosis and schizophrenia?

schizophrenia is a psychotic disorder as has psychotic symptoms

schizophrenia can cause psychosis (collection of positive symptoms of schizophrenia) but has some other symptoms

psychosis is the name of some of the positive symptoms of schizophreia (hallucinations and dellusions)

2

how does the media wrongly view psychosis?

just because someone with psychosis might behave in an anti-soical way, doesn't mean they have anti-social personailty disorder (media depicts that they do)

3

how does the media wrongly view schizophrenia?

shows schizophrenia as being split personailty disorder but it's a split between reality and imagination NOT personalities

4

what effect does the incorrect depiction of psychosis and schizophrenia in the media have?

leads to stigma and social isolation for those with the condition

5

what is psychosis?

collection of symptoms involving loss of "shared" sense of reality involving hallucinations and/or delusions

6

what is schizophrenia?

both positive and negative symptoms involving difficulty in understanding difference between reality and imagination

7

why is there a high suicide rate for those with psychosis and schizophrenia?

unable to trust people and voices constantly negative and persecutory

8

are you more prone to commit crime if you have psychosis/schizophreniAa?

yes but when these disorders are combined with alcohol and drug abuse

also, more likely to kill themselves than other people

9

what percentage of people with schizophrenia commit suicide?

10%

10

what are some of the causes of psychosis?

schizophrenia, drug misuse, severe depression, neurological injury, severe stress, lack of sleep

11

positive symptoms of schizophrenia?

delusions
hallucinations
disorganised speech

12

what do positive symptoms of schizophrenia involve?

excess cognition

13

what are delusions?

beliefs that can be seen as a misinterpretation of reality e.g believing they are being spied on

14

what are hallucinations?

vivid visual or auditory experiences distorted from reality and not experienced by others

15

what is disorganised speech?

thoughts and therefore speech becomes disorganised and fragmented, jumping from topic to topic

16

what are the negative symptoms of schizophrenia?

avoltion
alogia
anhedonia
flat affect

17

what do negative symptoms of schizophrenia involve?

deficits in behaviour

18

what is avolition?

loss of energy and interest in usually fun activities

19

what is alogia?

poverty of speech in both quality and quantity

20

what is anhedonia?

lack of feeling of pleasure

21

what is the flat affect?

no outward expression or emotion but probably not actual experience

22

what are the 3 forms of schizophrenia diagnosis?

disorganised
catatonic
paranoid

23

what is the prevalence rate of schizophrenia?

1-2% in UK US and Caribbean

24

what is needed for a disorganised diagnosis of schizophrenia?

content of speech disordered
behaviour disorganised and not congruent with social cues

25

what is needed for a catatonic diagnosis of schizophrenia?

extreme apathy and withdrawal leading to immobility with brief periods of excitement and agitation

26

what is needed for paranoid diagnosis of schizophrenia?

delusions prominent (especially persecutory) and hallucinations

27

when is the typical onset of schizophrenia and psychosis?

adolescence or early adulthood

28

what are some of the most common positive symptoms of schizophrenia?

lack of insight (97%) due to not trusting people so not trusting diagnosis
auditory hallucinations (74%)

29

why may schizophrenia be triggered by an excess of dopamine in the brain?

when drugs increasing dopamine levels were given to Parkinson's sufferers, their symptoms lessened (disease associated with reduced dopamine levels) but they began to experience hallucinations

suggesting some symptoms are due to high levels of dopamine

ALSO schizophrenia symtpms themelves reduce once given neuroleptics to reduce dopamine levels

30

difference in brain systems of those with schizophrenia?

excess activity in the substantia nigra (produces dopamine)
decreased activity in the prefrontal cortex (decision making and social behaviour)

and diminished connectivity between them (communication out of sync)