Skip to main content

Related Dementias

Many conditions and diseases cause dementia. The most common cause of dementia in older people is Alzheimer’s disease. Other causes include different kinds of brain changes that lead to vascular dementia, Lewy body dementia, and frontotemporal disorders. Mixed dementia is a combination of two or more disorders, at least one of which is dementia. 

 

middle aged couple

Frontotemporal Disorders

Learn about symptoms, diagnosis, treatment, and caregiving for people with frontotemporal disorders.

older man looking out a window

Lewy Body Dementia

Learn about symptoms, diagnosis, treatment, and caregiving for people with Lewy body dementia.

mother and daughter sitting together

Other Dementias

Learn about how dementia is diagnosed and about vascular dementia and mixed dementia.

Articles

Diagnosing Dementia

Doctors diagnose dementia—including Alzheimer disease, Lewy body dementia, and frontotemporal dementia—with brain scans and other tests.
Doctor studying brain scans

What Is Vascular Dementia?

Vascular dementia differs from Alzheimer’s disease in that it is caused by stroke. Learn about types of vascular dementia as well as treatment.
Serious older woman

What Is Mixed Dementia?

Read about mixed dementia, a combination of two or more disorders. For example, older adults with dementia may have Alzheimer’s and vascular dementia.
Older woman with mixed dementia

What Are Frontotemporal Disorders?

A type of dementia called FTD tends to strike before age 65 and stems from damage to the brain’s frontal lobe and temporal lobe. Learn more about FTD and brain changes from NIH.
Older Asian couple

Types of Frontotemporal Disorders

Read about types of FTD. One type involves changes in personality, behavior, and judgment. Primary progressive aphasia affects language and PSP, movement.
older couple hugging

Causes of Frontotemporal Disorders

What causes frontotemporal disorders? In most cases, we don’t know. In other cases, gene mutations lead to this early-onset brain disease. Learn more from NIH.
brain scans

Diagnosing Frontotemporal Disorders

Find out how a doctor diagnoses frontotemporal dementia and related disorders. Get a list of medical centers where you can get an FTD diagnosis.
Doctor discussing frontotemporal disorders with an older woman

Symptoms of Frontotemporal Disorders

Possible symptoms of frontotemporal disorders include behavior problems, language symptoms like aphasia, emotional troubles, and movement changes.
Older woman having difficulty writing

What Is Lewy Body Dementia?

What is Lewy body dementia (Lewy body disease)? It is a brain disorder, different from Alzheimer’s, that causes changes in thinking and movement.
Older woman looking serious

Types of Lewy Body Dementia

Did you know Lewy body dementia has two types? Dementia with Lewy bodies and Parkinson’s disease dementia differ in the order of cognitive and movement symptoms.
Older woman with glasses

What Causes Lewy Body Dementia?

Learn about causes and risk factors for Lewy body dementia. They include an accumulation of Lewy bodies in the brain, age, Parkinson’s disease, and genetics.
Grandfather playing cards

Symptoms of Lewy Body Dementia

Do you know the symptoms of Lewy body dementia? They may include cognitive and mood changes, Parkinson symptoms, sleep disorders, and hallucinations.
Older man in a wheelchair with his wife

Diagnosing Lewy Body Dementia

Lewy body dementia is often misdiagnosed as Alzheimer’s or Parkinson’s. See a doctor to find out what’s causing your symptoms and get the right treatment.
Female doctor talking to an older couple about lewy body dementia

Lewy Body Dementia Research

Research on Lewy body dementia seeks deeper understanding of this brain disease and how it relates to related types of dementia. Learn how to get involved.
Researcher next to lab equipment