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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. 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 …

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

    Dementia is the loss of cognitive functioning — thinking, remembering, and reasoning — to such an extent that it interferes with a person's daily life and activities. Some people with dementia cannot …

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

    Mar 12, 2022 · Dementia is not a specific disease. It’s a group of symptoms that can affect thinking, memory, reasoning, personality, mood and behavior. Alzheimer’s disease is the most common type.

  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. Signs and Symptoms of Dementia | Alzheimer's Disease and Dementia

    Aug 14, 2024 · But dementia—which blocks a person's ability to remember, think clearly, or make daily decisions—is NOT a normal part of aging. Learn the common signs and symptoms of dementia, and …

  10. 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 …