My Mom is 74 & has some type of degenerating brain disease. I am not sure what type. As a result of chemo she has also had a couple strokes. Over the past 2 years she has slowly lost her sight. She can still carry on a conversation for the most part. The past week she has lost her ability to contol her muscles to the point she cant even sit up. She was just admitted to a nursing home for possible rehab which we all know is very doughtful. What can I expect her demise symptoms to be like & how much time will that take. Thank You Kim