Apologies, I was thinking of scan for other possibilities not dementia!!!! Many people get diagnosed without a scan, and you are right about medication possibly helping. When my husband first went on donepezil it made a marked difference to his word finding and speech. Memory loss is a later stage symptom (getting quite bad now) in his type of dementia so I can’t comment on that, but he did also have an initial improvement in cognitive function. He noticed too, he tells people how important his donepezil is. Fingers crossed now you have got her the scan that it will be a step forward.