For My Elderly Mother In Law, She Has Gaps-forgets She's

For my elderly mother in law, she has gaps-forgets she's getting out of the car midway, starts to get back in,disassociates with those closest to her and reacts with affection to new acquaintances, starts staring at fingers or counting them, says yes to a suggestion but makes no move to doing so, and has had some Tia's, uti's as of late, and has full on stopped walking since arrival in hospital two weeks ago