Mild cognitive impairment (MCI) a condition in which a person has problems with memory, language, or another mental function severe enough to be noticeable to other people and to show up on tests, but not serious enough to interfere with daily life.
Because the problems do not interfere with daily activities, the person does not meet criteria for being diagnosed with dementia. The best-studied type of MCI involves a memory problem and is called “amnestic MCI.”
Symptoms
By Mayo Clinic staff
The forgetfulness of normal aging is minor. You misplace your car keys or lose your car in the parking garage. Perhaps you can't remember the name of a former co-worker when you meet unexpectedly at the grocery store. This is nothing to worry about.
But red flags should go up if you start forgetting things you typically remember, such as doctor's appointments or your weekly pinochle game. This happens to everyone now and then, but if a pattern develops, it could be a symptom of mild cognitive impairment.
Commonly used criteria for a diagnosis of mild cognitive impairment are:
■Deficient memory, preferably confirmed by another person
■Essentially normal judgment, perception and reasoning skills
■Largely normal activities of daily living
■Reduced performance on cognitive tests, compared with other people of similar age and educational background
People with mild cognitive impairment may also experience:
■Depression
■Irritability
■Anxiety
■Aggression
■Apathy
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