Parkinson's disease is a disorder of the nervous system in which patient suffers from impairment of motor skills, speech and various other functions. This disease is related to the movement disorders in which a person suffers from rigidity, slow movement of muscles and in the worst cases a person can completely lose his movement capabilities. The motor cortex experiences reduced stimulation by basal ganglia and the patient might experience speech and language problems as well.
In Parkinson disease the dopamine level in the part of the mid brain called Substentia Nigra got lesser than required that result in aggressive mood with rigid behavior. For further information please visit: