Dementia meaning

dĭ-mĕnshə
Deterioration of intellectual faculties, such as memory, concentration, and judgment, resulting from an organic disease or a disorder of the brain. It is sometimes accompanied by emotional disturbance and personality changes.
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Loss of cognitive abilities, including memory, concentration, communication, planning, and abstract thinking, resulting from brain injury or from a disease such as Alzheimer's disease or Parkinson's disease. It is sometimes accompanied by emotional disturbance and personality changes.
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Insanity; madness.
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A disorder of the mind affecting perception, memory, and judgment, characterized by reduced ability to remember, control muscular movements, recognize familiar objects and sounds, etc.
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Deterioration of intellectual faculties, such as memory, concentration, and judgment, sometimes accompanied by emotional disturbance and personality changes. Dementia is caused by organic damage to the brain (as in Alzheimer's disease), head trauma, metabolic disorders, or the presence of a tumor.
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(pathology) A progressive decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging. Areas particularly affected include memory, attention, judgement, language and problem solving.
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Origin of dementia

  • Latin dēmentia madness from dēmēns dēment- senseless dement

    From American Heritage Dictionary of the English Language, 5th Edition