AQA A-Level Psychology 7182
Social Influence
Memory
Attachment
Approaches in Psychology
Biopsychology
Clinical Psychology and Mental Health
Research Methods
Scientific Processes
Quantitative and Qualitative Data
Data Handling and Analysis
Inferential Testing
Issues and Debates in Psychology
RelationshipsOption 1
GenderOption 1
Cognition and DevelopmentOption 1
SchizophreniaOption 2
Eating BehaviourOption 2
StressOption 2
AggressionOption 3
Forensic PsychologyOption 3
AddictionOption 3
Explanations for Nicotine AddictionOption 3
Clinical Psychology and Mental Health
Biological approach to explaining and treating OCD
- 5 things to know
- Paper 2
Overview
Genetic and neural explanations for obsessive-compulsive disorder, how drug therapy reduces symptoms, and the evaluation of that treatment.
What you need to know
Answer each one before you reveal it.
How do neural explanations account for OCD?
How does drug therapy reduce the symptoms of OCD?
Evaluate drug therapy as a treatment for OCD.
What weakens the biological explanations of OCD?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is the central claim of the genetic explanation for OCD?
Model answer
OCD is inherited through genes passed from parents to offspring.
- 2
What do family studies reveal about the risk of OCD among first-degree relatives of OCD patients?
Model answer
First-degree relatives of OCD patients have a significantly higher risk of developing OCD compared to the general population.
- 3
How do twin studies support the genetic explanation for OCD?
Model answer
Twin studies show higher concordance rates for OCD in monozygotic (identical) twins compared to dizygotic (non-identical) twins.
- 4
What does it mean to say that OCD is polygenic?
Model answer
Multiple genes are involved in OCD rather than a single gene.
- 5
Why has the COMT gene been implicated in OCD?
Model answer
The COMT gene regulates the production of dopamine.
- 6
What role does the SERT gene play in relation to OCD?
Model answer
The SERT gene (serotonin transporter gene) affects serotonin levels in the brain and has been associated with OCD.
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