Types of Dementia

Alzheimer’s disease is a progressive disorder that causes brain cells to degenerate and die. Alzheimer’s disease is the most common cause of dementia; a continuous decline in thinking, behavioral, and social skills that disrupts a person’s ability to function independently. Read More...

Most experts estimate that Lewy body dementia is the third most common cause of dementia after Alzheimer’s disease and vascular dementia, accounting for 5 to 10 percent of cases. Read More...

Huntington’s disease is a progressive brain disorder caused by a single defective gene on chromosome 4 — one of the 23 human chromosomes that carry a person’s entire genetic code.

This defect is “dominant,” meaning that anyone who inherits it from a parent with Huntington’s will eventually develop the disease. Read More...

Parkinson’s disease is a fairly common neurological disorder in older adults, estimated to affect nearly 2% of those over age 65. The Parkinson’s Foundation estimates that one million Americans have Parkinson’s disease. Recent studies following people with Parkinson’s over the entire course of their illness estimate that 50% to 80% of those with the disease may experience dementia. Read More...