Here’s what’s interesting about dementia, which my 86-year-old mom has had for some time, and is now in the advanced stages. You can ask her what she ate for breakfast 30 seconds before, and she doesn’t remember. But tell her that friends from the old neighborhoods, former Rockettes, and uncles, aunties, and cousins, are sending emails and posting on Facebook, calling and sending notes–and name those people–and she smiles and says “Oh yes!” She knows exactly who you’re talking about.