Biological explanation for schizophrenia

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1. Post mortem studies have found that

  • schizophrenic individuals had normal dopamine levels
  • antipsychotic drugs do nothing
  • antipsychotic drugs elevated dopamine levels
  • the dopamine hypothesis is right and antipsychotic drugs lower dopamine levels
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Other questions in this quiz

2. Gottesman and Shields (1972) found that the probability of a twin having schizophrenia if its twin has the disorder is 9% in dizygotic twins and what in monozygotic twins?

  • 40%
  • 46%
  • 42%
  • 50%

3. Jacobs argues that adoptive parents would know if the birth parents were schizophrenic or not and that most wouldn’t adopt this child. This criticizes....

  • The dopamine hypothesis
  • Adoptive Studies
  • Twin Studies
  • Family studies

4. Studies have shown that a family with highly expressed emotion makes schizophrenia more likely. This criticises.....

  • Family studies
  • Twin Studies
  • Adoptive Studies
  • The dopamine hypothesis

5. The dopamine hypothesis is supported by evidence from...

  • antipsychotic drugs
  • all of the choices
  • amphetamines
  • Parkinson's disease


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