Parkinson Disease (PD) is a degenerative disease of the extrapyramidal motor system. The formations midbrain are affected and expressed in 1. Tremor, 2. Hypokinesia, 3. Muscle rigidity, 4. Postural instability. Alzheimer's (AD) progressive form senile dementia, leading to complete loss cognitive abilities, developing mainly after 60-65 years age. With these diseases, large number brain structur...