Which of the following is true of parkinson’s disease?
a) loss of dopamine neurons that project to the caudate/putamen leads to a hypokinetic disorder
b) loss of glutamatergic neurons in the thalamus that project to the motor cortex leads to a hypokinetic disorder
c) loss of input from the cerebral cortex to the caudate/putamen leads to a hyperkinetic disorder
d) loss of dopamine neurons in the subthalamic nuclei leads to a hyperkinetic disorder