AQA A2 Schizophrenia

  • Created by: ijt99
  • Created on: 14-01-18 18:41
What does the ICD-10 require for a diagnosis of schizophrenia?
Two negative symptoms of schizophrenia
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What does the DSM-5 require for a diagnosis of schizophrenia?
Two positive symptoms of schizophrenia
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What is the correct definition of schizophrenia?
A type of psychosis, a severe mental disorder in which thoughts and emotions are so impaired that contact is lost with external reality.
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What is test-retest reliability?
When one clinician makes the same diagnosis on separate occasions from the same information.
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What did Loring and Powell find? (gender bias)
Females are less likely to be diagnosed with schizophrenia. Only 20% of females were diagnosed with schizophrenia, whilst 56% of males were diagnosed.
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What did Copeland find? (culture bias)
US psychiatrists are more likely to give a diagnosis of schizophrenia. Using the same description of a patient, 69% gave a diagnosis, whilst only 2% of UK psychiatrists gave a diagnosis.
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What is the correct definition of validity?
Validity refers to the extent that a diagnosis represents something that is real and distinct from other disorders.
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What is the correct definition of reliability?
Reliability refers to when you can ensure that you are measuring what you intend to measure. You can repeat the study and get the same results.
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What did Gottesman find? (genetic explanation)
As genetic similarity increases, so does the probability of sharing schizophrenia. (48% risk in monozygotic twins, as opposed to 17% of dizygotic twins)
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What does Polygenic mean?
There is no single gene responsible for schizophrenia.
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Which term refers to 'too much' Dopamine?
Hyperdopaminergia
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What is a neural correlate?
Brain activity that corresponds with and is necessary to produce a particular experience, in this case the experience of schizophrenia.
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What are the key characteristics of The Schizophrenogenic Mother?
Cold, rejecting and controlling.
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What is the Double-bind Theory?
A child receives mixed messages about right and wrong but is punished with the withdrawal of love if they 'get it wrong'. This leads to disorganised thinking.
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What is Expressed Emotion (EE)?
A highly emotional environment which leads to extreme stress. This is deemed a reason for schizophrenia relapse.
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Other cards in this set

Card 2

Front

What does the DSM-5 require for a diagnosis of schizophrenia?

Back

Two positive symptoms of schizophrenia

Card 3

Front

What is the correct definition of schizophrenia?

Back

Preview of the front of card 3

Card 4

Front

What is test-retest reliability?

Back

Preview of the front of card 4

Card 5

Front

What did Loring and Powell find? (gender bias)

Back

Preview of the front of card 5
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