<prompt> Chorea occure due to damage-SubthalamusGlobus pallidusSubstantia nigraStriatum  <response>: Ans. is d i.e., Striatum DiseasePart of Basal ganglia involvedParkinsonismHuntington choreaBallismAthetosisSubstantia nigra pars compacta - Nigrastriatal pathwayStriatum mainly caudate nucleus; may be putamenSubthalamic nucleiGlobus pallidus mainlyQ and Subthalamic nucleus. 