Basal ganglia

Subcortical nuclei that coordinate voluntary movements of the limbs and body. It's connected to the Thalamus and to the midbrain.

Caudate nucleus
Gets input from the dopaminergic system.

Disorders
Tourette's syndrome: motor tics, involuntary movements and vocalizations.

Parkinson's disease: Severe tremors in the body, muscular regidity and reduction in voluntary movement.