A dog’s eye view of demential decline

My old dog is following my nonagenarian mother’s tracks. Not literally: my mom has been dead for two decades and my dog doesn’t have the stamina to follow anyone’s tracks these days. But their behaviors lockstep in eerie ways.
Mom died at 91. For the last three years of her life, she didn’t recognize me. Alzheimer’s does that to your mind. She didn’t remember my name, or the names of any of her…