DBS research targets include, but are not limited to the following areas : Cg25 for depression, the anterior limb of the internal capsule for depression as well as obsessive compulsive disorder ( OCD ), centromedian / parafasicularis, centromedian thalamic nuclei and the subthalamic nucleus for OCD, anorexia and Tourette syndrome, the nucleus accumbens and ventral striatum have also been assayed for depression and pain.