Why Do Some Memories Survive Dementia?

When Times reporter Ellen Barry’s father developed dementia after a fall, her family spent years trying to manage his erratic behavior and confusion. They struggled to convince him that he was home, he was safe, and he shouldn’t try to leave. The experience was exasperating and impossible to understand. Today, Ellen tells the story of those years, and of how she discovered scientific research that helped explain everything her family had lived through — research that could potentially help to save precious memories from being lost forever.