My FIL's diagnosis has been changed. He went from a Parkinson's diagnosis to severe brain atrophy. His damaged cells, tissue death and shrinkage is much more advanced than that of an average 79 year old man. The cell and tissue damage is on both sides of his head which is causing the dementia (both long and short term memory issues). He also has severe loss on the top part of his brain which is the loss of motor skills, speaking, and eating, walking and balance (parkinism). His abilities cognitively and motor are inconsistent from day to day. Some days he's very fluid and others not so much. The motor skills are pretty consistently unstable. My question is has anyone else out there experienced this in caregiving? I have done some research on Internet but really cannot see what the future might hold and how this may progress. They are going to put him on a medicine which the say might slow down the process (a drug like aricept but not aricept). He is already on namenda and they are taking him off a couple other drugs which may effect his abilities adversely (primodone and Wellbutrin). I just want to be informed what I may expect (with the full knowledge it varies from person to person). Thank you!