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Edexcel Biological Psychology A-Level Exam Questions and Answers latest 2025 100% verified.
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Edexcel Biological Psychology A-Level Exam Questions and Answers latest 2025 100% verified.
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Edexcel Biological Psychology A-Level4 Lobes of the Brain - ANS- Frontal, Parietal, Occipital and Temporal Lobe.
Adoption Studies - ANS- Investigate nature and nurture. Adopted children share no
genetic similarities to their adopted family but they share the same environment. 50%
same genes as parents but they do not share the same environment.
Amygdala - ANS- Recognises emotion.
Androgen - ANS- Chemical that maintains male characteristics.
Animal Studies - ANS- If the amygdala is removed, they become passive and
unresponsive.
Areas associated with aggression - ANS- Limbic System, Hypothalamus, Amygdala and
prefrontal cortex.
Brain Scan used by Raine - ANS- PET scans to look at murderers brains.
Brendgen et al - AIM - ANS- To see if social aggression could be caused by genes or the
environment.
Brendgen et al - CONCLUSION - ANS- Physical aggression may be genetic. Physical
aggression may cause social aggression. As children get older they become more
socially aggressive due to social conventions.
Brendgen et al - PARTICIPANTS - ANS- 234 twin pairs from Canada.
Longitudinal study (5 months - 6 years)
Brendgen et al - PROCEDURE - ANS- Teachers rated each twin with statements from
preschool social behaviour scale. Classmates were given booklets with pictures of all
kids and told to match 4 different behaviours (Circle Pictures).
Brendgen et al - RESULTS - ANS- Initial findings = high correlation between ratings of
MZ twins on physical aggression than DZ twins (same sex) from teachers + classmates.
Social aggression was roughly equally correlated in MZ + DZ.
Brendgen et al - STRENGTHS - ANS- Looked at 2 sources so not biased. More valid as
the sources were in agreement. Application for helping to reduce social aggression.
, Brendgen et al - WEAKNESSES - ANS- Small age group size. Time consuming. Many
extraneous variables in twins lives. Some say social aggression is not fully displayed
until 8 years.
Cadoret and Stewart (1991) - ANS- Investigated relationship among genetic background,
environmental factors and diseases like ADHD. 283 males, all adopted. If biological
parent had a criminal conviction, increased likelihood of them having problems too.
Environmental factors like socioeconomic status and income can result in problems. It
can be based on environmental and genetic factors.
CAT scans - ANS- Take images of body structure, uses x-rays. Structural Scan.
Catharsis - ANS- Releasing strong emotion by sports or violent film/video games.
Cocaine on the CNS - ANS- Prevents reuptake of dopamine so more of it is in the
synapse. This increase causes happiness. Overtaking leads to damage of receptors
which makes you addicted.
Correlations - ANS- Measures two different variables to see if they are related. Looks at
the relationship between 2 co-variables. Scatter graphs have a positive correlation,
negative correlation or no correlation.
Developmental Differences - ANS- Twin Studies. Evolution. Freud. Ego. Superego.
Differences between Freud & Biological - ANS- Freud looks at nature and nurture,
Biological just looks at nature. Freud is subjective, Biological is objective. Biological can
conduct scientific studies.
Dizygotic Twins - ANS- Share 50% of the same genes.
EEA - ANS- Best suited to environment = most successful. Look at fossils to understand
type of behaviour and compare to now.
Ego - ANS- develops in toddlers, understands punishment but feels no guilt
(right/wrong)
Eros - ANS- Life energy in the ID, creativity & reproduction
Evolution as an explanation for Aggression - ANS- Gradual development of different
kinds of living organisms from earlier forms. Characteristics vary due to random
mutations so may be better adapted to environment. Brain evolved for environment of
evolutionary adaptation (EEA).
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