Full unit of work for the Biopsychology topic for AQA A-Level Psychology. This comprises of both Year 12 and Year 13 content. Updated for the 2025 specification first examined in 2027. All in one units following this order: The nervous system Neurons Synaptic transmission The endocrine system The fight or flight response Ways of studying the brain Localisation of function Hemispheric lateralisation and split-brain research Brain plasticity and functional recovery Summary booklet also included as a self-completion revision resource. Teacher notes included in powerpoint footnotes in lots of detail.