Chook: Maybe it affects people with rejection issues, it's the most vile of diseases, we had a family member affected in the last 12 months, he went from normal to being in full time care sometimes being spoon fed. It maybe the bodies way of shutting out emotional pain, who knows?
That sounds like an exceedingly fast progression for this disease! I hope there has been more than one medical opinion on this.
And, yes, there is such a thing a pseudo-dementia which happens when someone is highly anxious and depressed about something and in denial about it at the same time. The patient starts exhibiting signs of dementia including short-term memory loss, disorientation, mood swings, aberrant behavior, threatening, etc.