Ключевые слова: alzheimer, amnesia, anxiety, aphrenia, autism, care, cognitive, demency, dementia, dementing, diagnosis, disease, disorder, elderly, head, health, healthcare, human brain, illness, information, intelligence, international world day, line, linear icon, losing, medical sign, memory loss, mental deficiency, mental problem, mind, neurology, old, outline, parkinson, patient, pictogram, psychiatry, psychology, psychotherapy, remember, science, senior, sign, stress, symbol, think, thinking, treatment, vector illustration,