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Mild Cognitive Impairment

Authors:
  • Cynthia M. Johnson, MA
Publication Type:

Condition

Mild Cognitive Impairment

Definition

Mild cognitive impairment (MCI) is a loss in memory. It does not get in the way of day-to-day tasks but can make it hard to make decisions and use language. MCI may raise the risk of getting dementia and Alzheimer disease later in life.

Areas of the Brain.

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Causes

The causes are not clear. It may be caused by early brain changes of dementia or Alzheimer disease.

Risk Factors

MCI is more common in people over 65 years of age. Things that may raise your risk are:

  • Family history of MCI, dementia, or Alzheimer disease
  • Smoking
  • Health problems, such as depression, diabetes, and stroke
  • Inactivity
  • Low levels of vitamin D

Symptoms

Symptoms may be:

  • Forgetfulness
  • Irritability
  • Lack of emotion
  • Getting upset easily
  • Problems making decisions
  • Forgetting how to do tasks

Diagnosis

The doctor will ask about symptoms and past health. A physical exam will be done. Cognitive tests will also be done. The doctor may also talk with family members and caregivers.

More tests may be done to confirm the diagnosis. For example:

  • Blood tests may be done to look for genetic mutations.
  • A lumbar puncture may also be done to check the fluid around the brain and spine.
  • Images may be taken of the brain. This can be done with an MRI or CT scan .

Treatment

Treatment is aimed at managing symptoms. Healthy habits can ease impact of symptoms. Steps may include:

  • Cognitive training to improve memory and function
  • Getting light exercise
  • Eating a healthful diet that includes fish

Medicine

There are no medicines that have been shown to help MCI. Some people may be given cholinesterase inhibitors to treat changes in thinking.

Prevention

Healthy habits may lower the risk of MCI in some people. This means exercising, eating a healthful diet, not smoking, and staying mentally active.

RESOURCES:

CANADIAN RESOURCES:

CANADIAN RESOURCES:

References

  • Albert MS, Dekosky ST, et al. The diagnosis of mild cognitive impairment due to Alzheimer's disease: recommendations from the National Institute on Aging-Alzheimer's Association workgroup on diagnostic guidelines for Alzheimer's disease. Alzheimers Dement. 2011 May;7(3):270-279.
  • Mild cognitive impairment. Alzheimer's Association website. Available at: https://www.alz.org/alzheimers-dementia/what-is-dementia/related_conditions/mild-cognitive-impairment.
  • Mild cognitive impairment (MCI). EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/mild-cognitive-impairment-mci.

Contributors

  • Rimas Lukas, MD
Last Updated:
2022-08-01

(C) Copyright 2023 EBSCO Information Services

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.