My sister has early onset dementia. I don't know what kind. She's only in her late 60's and as of my recent visit with her in January she is so far gone she doesn't recognize me and speaks about unrelated things. Like waving her hand and mentioning water as she stares out her window. Her mood is overall good though. She does not seem angry or depressed. But it is a tragic thing to watch and her loving and devoted husband visits her every single day at the memory care center. Here's an article about being diagnosed with this devastating malady:
https://alzheimersdisease.net/living/int...cebook.com
https://alzheimersdisease.net/living/int...cebook.com