Edward has been diagnosed with Obsessive-Compulsive Disorder (OCD). His father also has OCD, and his identical twin brother, who was raised in a different household, has mild symptoms of the disorder. Edward believes that his OCD is purely a result of his genetic makeup. However, his doctor points out that Edward's symptoms only started after he was involved in a serious car accident last year.
Discuss genetic explanations for obsessive-compulsive disorder (OCD). Refer to Edward'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.