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    Double Your Impact for the Holidays

    Double Your Impact for the Holidays

    Double Your Impact for the Holidays

    Your urgently needed year-end gift can go twice as far to provide care and support and accelerate Alzheimer's research this holiday season — and all year long. Show your giving spirit today during this 2x Match Challenge.

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    Types of Dementia

    Types of Dementia

    Dementia is a general term for loss of memory and other mental abilities severe enough to interfere with daily life. It is caused by physical changes in the brain. Alzheimer's is the most common type of dementia, but there are many kinds.

    Browse by Dementia Type

    Creutzfeldt-Jakob Disease

    Learn about CJD symptoms, diagnosis, causes and treatments and how this disorder relates to Alzheimer's and other dementias.

    Dementia with Lewy Bodies

    DLB is a type of progressive dementia that leads to a decline in thinking, reasoning and independent function.

    Down Syndrome and Alzheimer's Disease

    Those affected by Down syndrome have a greatly increased risk of developing dementia as they age.

    Frontotemporal Dementia

    FTD refers to a group of disorders caused by progressive nerve cell loss in the brain.

    Huntington's Disease

    Huntington's disease causes changes in the brain, which affect movement, mood and thinking skills.

    Mixed Dementia

    Mixed dementia is a condition where brain changes associated with multiple types of dementia occur at the same time.

    Normal Pressure Hydrocephalus

    NPH is a brain disorder where excess cerebrospinal fluid in the brain's ventricles causes cognitive decline, difficulty walking, and urinary incontinence.

    Posterior Cortical Atrophy

    Posterior cortical atrophy refers to gradual and progressive degeneration of the outer layer of the brain.

    Parkinson's Disease Dementia

    Parkinson's disease dementia is a decline in thinking and reasoning skills that develops in some people living with Parkinson’s.

    Vascular Dementia

    Vascular dementia is a decline in thinking skills caused by conditions that block or reduce blood flow to various regions of the brain.

    Korsakoff Syndrome

    Korsakoff syndrome is a chronic memory disorder caused by severe deficiency of vitamin B-1 and is often associated with alcohol misuse.

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