Esme has been diagnosed with obsessive-compulsive disorder (OCD). She has a twin sister, Lily, who also shows signs of the disorder. A brain scan shows that Esme has increased activity in her orbitofrontal cortex, and her psychiatrist believes her symptoms are linked to an imbalance of chemical messengers in her brain.
Discuss biological explanations of obsessive-compulsive disorder (OCD). Refer to Esme's case in your answer.
39 exam-style questions on AQA A Level Psychology Biological approach to OCD. Each one has a worked solution and a mark scheme showing where the marks go.