Meet the compulsive robot who could help us treat OCD better

A robot that mimics the behaviours of people who have obsessive-compulsive disorder (OCD) could help us understand what drives the condition and even improve how we treat it. OCD involves obsessive worrying that compels people to carry out rituals like repeated hand washing. People who have it experience anxiety if they can't complete these compulsions. Researchers are using the robot to recreate this compulsive drive to complete an action.