BACKGROUND: The aging of the worlds population leads to an increase in prevalence age-related diseases, including cognitive impairment. At stage dementia, therapeutic interventions become usually ineffective. Therefore, researchers and clinical practitioners today are looking for methods that allow early diagnosis impairment, techniques based on use biological markers.
 AIM: aim this liter...

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...