Eduqas A-Level Psychology A290QS
Biological Approach
Psychodynamic Approach
Behaviourist Approach
Cognitive Approach
Positive Approach
Comparing the Five Approaches
Core Studies in Social and Developmental Psychology
Planning Psychological Research
Data Handling, Statistics and Mathematical Skills
Evaluating and Validating Research
Personal Investigations and Novel Research Scenarios
Addictive BehavioursAddictive
Autistic Spectrum BehavioursAutistic spectrum
Bullying BehavioursBullying
Criminal BehavioursCriminal
SchizophreniaSchizophrenia
StressStress
Controversies in Psychology
Schizophrenia
Methods of modifying the behaviour: Antipsychotic drugs
- 3 things to know
- Component 3 Applications
Overview
Recall questions on Methods of modifying the behaviour: Antipsychotic drugs.
What you need to know
Answer each one before you reveal it.
Name two first-generation antipsychotics and state their main action.
What are extrapyramidal side effects?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What do antipsychotic drugs mainly act on?
Model answer
The dopamine system; all effective antipsychotics block dopamine D2 receptors to some degree.
- 2
Name two first-generation antipsychotics and state their main action.
Model answer
Chlorpromazine and haloperidol, both of which are strong D2 receptor antagonists.
- 3
Which symptoms do first-generation antipsychotics treat best?
Model answer
Positive symptoms such as hallucinations and delusions; they do considerably less for negative and cognitive symptoms.
- 4
What are extrapyramidal side effects?
Model answer
Movement disorders caused by dopamine blockade outside the target pathways, including muscle stiffness, tremor, restlessness and involuntary muscle spasms.
- 5
What is tardive dyskinesia and why is it especially serious?
Model answer
It is a pattern of involuntary repetitive movements, typically of the face and mouth, developing after prolonged treatment, and it may persist even after the drug is stopped.
- 6
How do second-generation antipsychotics differ from first-generation ones?
Model answer
They act on serotonin receptors as well as dopamine receptors and generally carry a lower risk of movement disorders, though metabolic side effects such as weight gain and diabetes are more common.
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