Brain scans of people with ________ reveal higher-than-normal activity in brain areas involved in habitual behaviors.

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Obsessive-compulsive disorder (OCD) is characterized by repetitive, intrusive thoughts (obsessions) and/or repetitive behaviors (compulsions) that are done to reduce anxiety. These compulsive behaviors can become habitual, and brain scans have shown increased activity in the basal ganglia and limbic system, areas of the brain involved in habitual behavior, in individuals with OCD.

Brain Scans of People with ________ Reveal Higher-Than-Normal Activity in Brain