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  1. Dementia - Symptoms and causes - Mayo Clinic

    Jun 7, 2025 · 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. Several …

  2. 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.

  3. Dementia - Wikipedia

    Dementia is a syndrome associated with many neurodegenerative diseases, characterized by a general decline in cognitive abilities that affects a person's ability to perform everyday activities. [9] This …

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

    Mar 12, 2022 · 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 …

  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. Dementia Definition: Overview, Signs, Causes, and More

    4 days ago · Dementia is the loss of memory and cognitive functioning in a way that impairs day-to-day life. Learn more about what dementia is and how to handle it.

  7. Dementia - Johns Hopkins Medicine

    Dementia is a general term impaired thinking, remembering or reasoning that can affect a person’s ability to function safely. The term has been replaced by “major neurocognitive disorder” and “mild …

  8. What Is Dementia? Types, Symptoms, Causes & Treatment - AARP

    Apr 29, 2025 · Dementia describes a decline in the ability to think, remember and reason. Here are the types, symptoms, causes and treatments.

  9. What Is Dementia? Symptoms, Types, and More - Healthline

    Jul 9, 2025 · Dementia is a loss of cognitive functioning, including memory, language, and reasoning. Learn more about dementia and how it differs from forgetfulness.

  10. What Is Dementia? - Alzheimers.gov

    Dementia is the result of changes in certain brain regions that cause neurons (nerve cells) and their connections to stop working properly. Researchers have connected changes in the brain to certain …