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
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StressStress
Controversies in Psychology
Stress
Biological explanations: Stress genes
- 1 thing to know
- Component 3 Applications
Overview
Recall questions on Biological explanations: Stress genes.
What you need to know
Answer each one before you reveal it.
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is claimed by the stress genes explanation?
Model answer
That inherited variation contributes to how strongly and how long a person's stress systems react, and therefore to their vulnerability to stress-related illness.
- 2
What do twin studies suggest about stress reactivity?
Model answer
That there is a modest to moderate genetic contribution to physiological stress reactivity, with the remaining variation attributable to environment and experience.
- 3
What was claimed about the serotonin transporter gene?
Model answer
Caspi and colleagues (2003) reported that people carrying the short variant were more likely to become depressed following stressful life events, an apparent gene-environment interaction.
- 4
What does the FKBP5 gene do?
Model answer
It regulates the sensitivity of glucocorticoid receptors, and so affects how efficiently the cortisol response is switched off.
- 5
What is the current view of the genetics of stress vulnerability?
Model answer
That it is polygenic, involving many genes of very small individual effect, so there is no single stress gene.
- 6
What did Weaver and colleagues (2004) show in rats?
Model answer
Pups receiving more maternal licking and grooming showed chemical changes to the gene controlling glucocorticoid receptors and a calmer stress response for life, demonstrating an epigenetic effect of early care.
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