Agatha Christie’s novel “Elephants Can Remember” reveals distinct signs of Alzheimer’s…

Agatha Christie’s novel “Elephants Can Remember” reveals distinct signs of Alzheimer’s onset, e.g., 20% fewer words or ⅕ of her vocabulary lost; 6 times more use of nonspecific words such as “thing”, and a sharp drop in “idea density”. That novel’s last line is “Maybe it’s OK not to remember.”