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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: What It Is, Causes, Symptoms, Treatment & Types

    Dec 5, 2025 · 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, 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.

  5. Dementia - Wikipedia

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

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

    Jul 3, 2024 · 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.

  7. 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.

  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? - 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 …

  10. Dementia - World Health Organization (WHO)

    Mar 31, 2025 · 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. …