Ключевые слова: aging, alzheimer, alzheimer disease, amnesia, apathy, attention, awareness, brain, care, confusion, danger, dementia, depression, disease, disorientation, empty, forget, gradient, head, health care, human, icon, illness, illustration, incoordination, information, intellectual decline, irritability, line, location, losing, loss, medical, medical condition icons, medicine, memory loss, mental, mind, neurology, patient, search, sign, symbol, talk, vector, web graphics, write,