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Biological explanations of drug addiction
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The biological starting point

The biological starting point

Labelled brain reward pathway showing alcohol, heroin and nicotine feeding into the VTA, with dopamine projections to the nucleus accumbens and prefrontal cortex and increased dopamine linked to reward, reinforcement and motivation

Biological explanations of drug addiction Lesson

  1. A Level
  2. /Psychology
  3. /Biological explanations of drug addiction

Step-by-step lessons on Edexcel A Level Psychology Biological explanations of drug addiction. Each one builds up to exam-style questions. Start with the compulsory core topics before tackling the more evaluation-heavy optional and issues-and-debates content.

Lessons