Summary - PY1 - Approaches in Psychology- Biological and Behaviourist

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Summary - PY1 - Approaches in Psychology- Biological and Behaviourist

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A-Level Psychology — Biological & Behaviourist Approaches Summary Notes

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PSYCHOLOGY AS UNIT 1

BIOLOGICAL
APPROACH

,ASSUMPTIONS
1. Evolutionary influences

2. Localisation of brain function

3. Neurotransmitters

, EVOLUTIONARY INFLUENCES
• We descended from a line of individuals who were well adapted so we have inherited
behaviour/appearance to successfully find a mate
• Behaviour is explained by evolutionary processes
• Charles Darwin :
• 1. Natural selection 2. Sexual selection
• Natural selection = process of changes in a species overtime to survive and reproduce
successfully = survival of the fittest
• Sexual selection = characteristics of an animal that increase mating success so pass on
successful genes to offspring – compete successfully with same sex for mate
• EEA- environment of evolutionary adaptiveness – adapted to last environment that made huge
selective pressures

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Study Level: A/AS Level
Subject: Psychology
Uploaded on: August 10, 2026
Number of pages: 20
Written in: 2025/2026
Type: Summary

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