Marcus has recently been diagnosed with Obsessive-Compulsive Disorder (OCD). He experiences an overwhelming fear of contamination and spends hours cleaning his living space. His mother notes that Marcus's grandfather also had severe rituals, and a recent neuroimaging scan of Marcus showed unusual activity in his frontal lobes. His doctor has suggested a course of medication that increases serotonin levels.
Discuss biological explanations for obsessive-compulsive disorder (OCD). Refer to Marcus's case in your answer.
Practise AQA A Level Psychology Biological approach to OCD with exam-style questions for A Level Psychology. 39 questions, matched to the AQA A Level Psychology (7182) 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.
