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Edexcel A-Level Psychology AS 3.1.1 Cns Neurotransmitters and Behaviour Questions

Explore how the brain, spinal cord and neurons contribute to behaviour. Describe electrical and chemical signalling, then explain the limits of neurotransmitter-only accounts.

Syllabus
First assessment 2026
Course
Psychology XPS01/YPS01
Level
AS

Exam points

  • Identify neurotransmitters and state their role as chemical messengers
  • Describe signalling along a neuron and transmission across a chemical synapse
  • Describe the roles of the brain and spinal cord and relate CNS signalling to a behavioural response
  • Explain why neurotransmitters alone may provide an incomplete account of human behaviour

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