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These terms are often used interchangeably, but they actually have very different meanings. Dementia is not a specific disease. It's an overall term, sometimes referred to as an umbrella term, which describes a wide range of symptoms. These symptoms impact a person's ability to perform everyday activities independently. Common symptoms include:
Alzheimer's disease is one type of dementia, but it's not the only one. There are many different types and causes of dementia, including:
Alzheimer's disease, however, is the most well-known and common form of dementia but not everyone with dementia has Alzheimer's disease.
Jonathan Graff-Radford, M.D.
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