Conflict monitoring and adaptation as reflected by N2 amplitude in obsessive–compulsive disorder

Background Feelings of doubt and perseverative behaviours are key symptoms of obsessive–compulsive disorder (OCD) and have been linked to hyperactive error and conflict signals in the brain. While enhanced neural correlates of error monitoring have been robustly shown, far less is known about conflict processing and adaptation in OCD. Method We examined event-related potentials during conflict processing in 70 patients with OCD and 70 matched...