It seems to be geriatric psychosis, which is quite common at this age. It needs to be addressed asap otherwise it may get complicated. It can be well treated with homeopathic medicine effectively and counseling sessions if required or if she is in receptive mode to accept counseling sessions.

It seems like a geriatric issue and some signs of dementia.

Hi Consult a psychiatrist and explain about the symptoms that your mother is showing. Also consult a psychologist for counselling sessions. I suggest you consult a psychiatrist first and then consult a psychologist. Being a caregiver your are worried about your mother. Don’t stress too much. Give your mom the space she requires. It will help her feel calm. If there is any hobby that she likes she can engage in it.

Hi , Consult a Psychiatrist for diagnosis , a combination of medical and Counselling with therapy will help your mother .

Hi,You can take her to a clinical psychologist to check for dementia or any cognitive changes.

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Hi... Please consult a Psychiatrist first and a Psychologist later. It is hard to assimilate but like our body, our brain also ages, and it's various functions including, memory, reasoning, communication, decision-making, etc. may get negatively impacted. We can observe very similar learning issues in young childrens during their developmental phase, when they are trying to do things for which their body/brain hasn't grown enough yet, like reading, writing, tying nots, etc. You can imagine a reverse process taking place when the brain is ageing. It gives a room for development of various kind of issues but a lot of them may be addressed with a combination of medical and psychological help.

showing symptoms  of dementia. Connect  with psychiatrist .medications will help her.