Lesson 4.3.5.2
4.3.5.2 Biological and psychological explanations for schizophrenia Quiz: AQA Psychology, Unit 3
20 questions
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Lesson 4.3.5.2, Biological and psychological explanations for schizophrenia: 20 multiple choice questions for the AQA Psychology (7182), Unit 3: Issues and options in Psychology, written with Revision Ninja.
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The 20 questions
-
According to the original dopamine hypothesis, positive symptoms of schizophrenia are caused by what?
- Serotonin excess
- Excessive dopamine activity
- Dopamine deficiency
- Glutamate deficiency
-
Which type of drug increases dopamine activity and can produce symptoms resembling schizophrenia?
- Benzodiazepines
- Antidepressants
- Amphetamines
- Beta-blockers
-
Which type of twins share 100% of their genetic material in schizophrenia research?
- Adoption twins
- Fraternal twins
- Monozygotic twins
- Dizygotic twins
-
What is the approximate concordance rate for schizophrenia in monozygotic twins?
- 10%
- 75%
- 48%
- 100%
-
Which brain abnormality is commonly identified as a neural correlate of schizophrenia?
- Thickened cortex
- Enlarged amygdala
- Shrunken ventricles
- Enlarged ventricles
-
What term refers to brain structures or functions associated with a psychological disorder?
- Candidate genes
- Neural correlates
- Genetic markers
- Endophenotypes
-
Why do twin studies show that genetics alone cannot explain schizophrenia?
- Equal adoption rates
- 100% concordance
- Zero concordance
- Incomplete concordance
-
Which psychological explanation of schizophrenia includes double-bind theory and expressed emotion?
- Hyperdopaminergic activity
- Diathesis-stress model
- Family dysfunction
- Cognitive processing
-
High levels of family criticism and hostility towards a schizophrenia patient are called what?
- Central control deficit
- Expressed emotion
- Double bind
- Metarepresentation failure
-
Receiving conflicting messages from family members without the opportunity to respond is called what?
- Double bind
- Central control
- Expressed emotion
- Egocentric bias
-
Which explanation of schizophrenia focuses on impaired self-monitoring and dysfunctional thought processing?
- Genetic vulnerability
- Cognitive explanation
- Family dysfunction
- Dopamine hypothesis
-
Reaching a firm conclusion based on insufficient evidence is known as what cognitive bias?
- Confirmation bias
- Metarepresentation deficit
- Central control failure
- Jumping to conclusions
-
What type of evidence provides strong support for the dopamine hypothesis of schizophrenia?
- Identical twin studies
- Adoption study data
- Family interaction patterns
- Antipsychotic drug trials
-
Biological explanations of schizophrenia are often criticised for neglecting which factors?
- Neural correlates
- Environmental stress
- Brain structures
- Genetic influences
-
Which of the following is a psychological explanation for schizophrenia?
- Genetic vulnerability
- Family dysfunction
- Dopamine hypothesis
- Neural correlates
-
High levels of family criticism increase relapse rates in schizophrenia. What does this support?
- Expressed emotion
- Double bind
- Neural correlates
- Metarepresentation failure
-
Which model states that inherited vulnerability and environmental stress interact to cause schizophrenia?
- Double-bind theory
- Dopamine hypothesis
- Diathesis-stress model
- Cognitive model
-
What do dopamine-blocking drugs primarily reduce in schizophrenia patients?
- Cognitive deficits
- Positive symptoms
- Structural brain damage
- Negative symptoms
-
What logical flaw limits neural correlates as an explanation for schizophrenia?
- Biochemical reductionism
- Correlation not causation
- Type I error
- Sample bias
-
Why are antipsychotic drugs used as evidence for the dopamine hypothesis?
- They increase serotonin
- They modify genes
- They repair neurons
- They block dopamine
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