A Person with Age-Associated Memory Problems. Many conditions can cause dementia. Dementia related to depression, drug interaction, thyroid and other problems may be reversible if detected early. It is important to identify the actual cause in order to receive proper care. Alzheimer's Disease is the leading cause of dementia, as the graph below shows.
Symptoms are failing memory, changes in behavior and lack of muscle coordination.
CJD progresses rapidly, usually causing death within a year. No treatment is currently available. Symptoms can include disorientation, confusion, and behavioral changes. Symptoms include difficulty in walking, memory loss, and incontinence. NPH may be related to a history of meningitis, encephalitis, or brain injury, and is often correctable with surgery.