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  1. Dementia - Symptoms and causes - Mayo Clinic

    2025年6月7日 · Dementia describes a group of symptoms affecting memory, thinking and social abilities. The symptoms interfere with a person's daily life. Dementia isn't one specific disease. …

  2. Dementia - Wikipedia

    Dementia is a syndrome, often associated with neurodegenerative diseases such as Alzheimer's, and characterized by a general decline in cognitive processes that affects the ability to perform everyday …

  3. Dementia: What It Is, Causes, Symptoms, Treatment & Types

    2025年12月5日 · Dementia involves a decline in the mental abilities you need for daily living. It develops when there’s damage to the parts of your brain involved with learning, memory, decision-making and …

  4. What Is Dementia? Symptoms, Types, and Diagnosis

    Dementia is a loss of thinking, remembering, and reasoning skills. It is not a normal part of aging. Read about the different types of dementia and how it is diagnosed.

  5. What is Dementia? Symptoms, Causes & Treatment | alz.org

    Dementia is a general term for loss of memory, language, problem-solving and other thinking abilities that are severe enough to interfere with daily life. Alzheimer's is the most common cause of dementia.

  6. Alzheimer's Association | Alzheimer's Disease & Dementia Help

    Alzheimer's is the most common form of dementia. It causes problems with memory, thinking and behavior. Talk to a dementia expert with our free 24/7 Helpline. Get confidential support, crisis …

  7. Dementia - World Health Organization (WHO)

    2025年3月31日 · Dementia is a syndrome that can be caused by a number of diseases which over time destroy nerve cells and damage the brain, typically leading to deterioration in cognitive function (i.e. …

  8. About Dementia | Alzheimer's Disease and Dementia | CDC

    2024年8月17日 · Dementia is a condition that makes someone unable to remember, think clearly, or make decisions while doing everyday activities. Alzheimer’s disease is the most common type of …

  9. Alzheimer's disease - Symptoms and causes - Mayo Clinic

    2026年3月3日 · Alzheimer's disease is the most common cause of dementia. Alzheimer's disease is the biological process that begins with the appearance of a buildup of proteins in the form of amyloid …

  10. Dementia: Stages, Causes, Symptoms, and Treatments - WebMD

    2024年7月4日 · Dementia is a neuro-cognitive disorder that can be loosely explained as a loss of thinking ability and logical reasoning. This guide explains different forms of dementia.