During the last stages of alzheimer's disease the most common symptoms are

Impaired chewing and swallowing,wandering, hallucinations

Explanation:

Due to the weakened and less neurons and smaller brain parts compared to a healthy one can cause Impaired chewing and swallowing,wandering, hallucinations etc. in the last stages of AD(Alzheimer's Disease). Brain has different parts for doing different things, when neurons get less and weaker it gets harder or even impossible to do its job. Due to disfunction relatedparts tasks can't be done.

answer; ///progressive relaxation;