Ключевые слова: adult, aging, alzheimers, amnesia, anomaly, autoimmune, boy, brain, cognitive, concept, confusion, damage, decline, degeneration, dementia, depression, disease, function, guy, health, human head, illness, injury, iq, loss, male, man, memory, mental, mind, neurology, oncology, parts, people, person, pieces, problem, progressive, psychology, puzzle, schizophrenia, social, solving, stroke, test, trauma, tumor, understanding, wisdom, young,