Generalities:

True Parkinson: a degenerative disease of the nervous system affecting the motor areas.

It may cause tremor, muscular rigidity, and slow, imprecise movement, affecting more often middle-aged and elderly people. It is associated with degeneration of the basal ganglia of the brain and a deficiency of dopamine..

*corpus callosum - corpus callosum: This pair helps decrease uncontroled movements.