Educational objective: The subthalamic nucleus plays an import | Uworld | Step 1

Educational objective: The subthalamic nucleus plays an important role in the modulation of basal ganglia output. Damage to this structure (eg, due to lacunar stroke) may result in contralateral hemiballism, characterized by wild, involuntary, large-amplitude, flinging movements of the proximal limbs (eg, arm and/or leg) on one side of the body.