Julian spends several hours each day checking locks and alignment of items in his room, experiencing intense anxiety if things are not 'just right'. His identical twin brother, Marcus, was also recently diagnosed with obsessive-compulsive disorder (OCD). A biological psychologist suggests that Julian’s symptoms are due to his genetic profile and altered brain activity.
Discuss the biological explanation(s) of obsessive-compulsive disorder (OCD). Refer to Julian and Marcus 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.
