Dopamine-producing cells located in the _________ show gradual decreases the progression of Parkinson's Disease. Naim 11:56 Biomechanics Dopamine-producing cells located in the _________ show gradual decreases the progression of Parkinson's Disease.A) Globus Palludis internaB) Cerebral CortexC) Subthalamic NucleiD) Substantia NigraAnswer: D. Substantia Nigra Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+