My Dad died a few years ago with dementia. It was tough watching the progression since we were close. From the start until he passed was about 1-2 years.
He had moments during that time where he seemed normal, we could talk to him, etc.
My understanding is it can manifest in different ways, i.e., one could wander off, become violent, etc. His started with saying odd things but he seemed "happy".
I found great caregivers and he wanted to die at home which he did with hospice.
The last couple weeks were the worst, he was in a hospital bed in their living room. The last couple days he was comatose and unresponsive. He seemed to pass peacefully.
I'm sure there are books about it but my concern now would be with the latest research, medication to slow the progression, etc.
To me it's the most difficult for those closest to the dementia patient rather than the actual patient. Making them comfortable, seeing their needs are taken care of, having family there with them to handle the affairs for them is all you can do. All the best...I do understand.
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