MENTAL/BEHAVIORAL CASS STUDIES 2Mental/Behavioral Case StudiesAlzheimer’s disease is the most common form of dementia. Alzheimer’s commonly occurs in the elderly. The first signs of the onset of Alzheimer’s is a gradual decline in cognitive functioning such as memory loss, logical thinking, performing basic tasks, and judgment. It maybecome difficult to communicate with your grandmother. Their mood and personality can also be affected. Unfortunately, the cause of Alzheimer’s is unknown, and it is currently incurable. The best treatment for those individuals affected by Alzheimer’s is adequate nursing care where there is both physical and emotional support. There may also need to be changes made in the home to increase safety and security. There are three stages of Alzheimer’s: primary, secondary, and tertiary. It appears your grandmother may be in the primary stage; however, you must contact a physician.