Tobias has recently started smoking cigarettes regularly and finds himself craving them within an hour of waking up. His sister, a biology student, explains that his brain chemistry is adapting to the nicotine.
With reference to Tobias, outline the neurochemical explanation for nicotine addiction.
Practise Edexcel A Level Psychology Content with exam-style questions for A Level Psychology. 1,059 questions covering Bowlby's work on attachment, Ainsworth and the Strange Situation, Research into deprivation, Research into privation, Research into day care, Cross-cultural research into attachment, Autism, Individual differences, and Developmental psychology, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
