Ключевые слова: aging, alzheimer, body, brain, care, caucasian, close, dementia, depression, disease, dopamine, elderly, female, hand, handwriting, health, healthcare, holding, horizontal, illness, illustration, medical, medicine, mental, muscle, nervous, neurology, old, one, paralysis, parkinson, parkinsons, patient, people, person, process, s, senior, shake, support, symptom, symptoms, system, treatment, trembling, tremor, up, weakness, woman,