<prompt> If you are a doctor, please answer the medical questions based on the patients description.My mother is 90 years old and bedridden. Her hair is getting very long and I was wondering how to cut the back of her hair. The top and sides i have already done. But I would now like to trim the back of her hair without any discomfort to her. She has dementia and every little thing upsets her from her normal routine.  <response>: Degree understand your concerns went through your details. I suggest you not to worry much. Dementia is a broad category of brain diseases that includes any disease that causes loss of cognitive ability the ability to think and reason clearly that is severe enough to affect a person daily functioning. It must also be a worsening of functioning compared to how the person was previously. The most common form of dementia is Alzheimers disease. Other common forms of dementia include: Lewy body dementia, vascular dementia, frontotemporal dementia, progressive supra nuclear palsy, corticobasal degeneration, normal pressure HY Chat Doctor. But whatever may be the form of dementia, hair cut is not related to the form, it is related to the patient. You and your people know the patient better than we here. You must have tried all conventional methods. A visit to the hair 