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Mild Cognitive Impairment
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Older Adults

Mild Cognitive Impairment

Mild cognitive impairment (MCI) is a condition where individuals experience more significant memory problems than their peers, though they remain able to perform daily activities.

Some forgetfulness can be a normal part of aging. However, some people have more memory problems than other people their age. This condition is called mild cognitive impairment, or MCI. People with MCI can take care of themselves and do their normal activities.

MCI memory problems may include:

  • Losing things often
  • Forgetting to go to events and appointments
  • Having more trouble coming up with words than other people of the same age

Memory problems can also have other causes, including certain medicines and diseases that affect the blood vessels that supply the brain. Some of the problems brought on by these conditions can be managed or reversed.

Your health care provider can do thinking, memory, and language tests to see if you have MCI. You may also need to see a specialist for more tests. Because MCI may be an early sign of Alzheimer's disease, it's really important to see your health care provider every 6 to 12 months.

At this time, there is no proven drug treatment for MCI. Your health care provider can check to see if you have any changes in your memory or thinking skills over time.

Frequently Asked Questions

Key risk factors include the presence of the APOE‑ε4 gene, low education level, cardiovascular disease (hypertension, diabetes, high cholesterol), sedentary lifestyle, and a history of traumatic brain injury. Biomarker evidence of amyloid or tau on PET scans or cerebrospinal fluid also predicts higher conversion rates.
No medication is FDA‑approved specifically for MCI, but managing vascular risk factors (blood pressure, glucose, lipids) and adopting a brain‑healthy lifestyle—regular aerobic exercise, Mediterranean diet, cognitive training, and social engagement—have shown modest slowing of decline. Some clinicians may trial low‑dose cholinesterase inhibitors off‑label, but evidence is limited.
Diagnosis starts with a detailed history and physical exam, focusing on changes in memory, language, and executive function. Clinicians use brief screening tools such as the Montreal Cognitive Assessment (MoCA) or Mini‑Mental State Examination (MMSE). If results suggest MCI, a neuropsychologist may conduct comprehensive testing that compares performance to age‑matched norms. Blood work, brain imaging (MRI or CT), and sometimes sleep studies help rule out reversible causes.
Follow‑up every 6–12 months is recommended. At each visit, the provider should reassess cognitive function (repeat MoCA or similar), review medication changes, monitor mood (depression can mimic MCI), and check vascular health markers (BP, HbA1c, lipids). Document any new functional difficulties, such as trouble managing finances or driving, to detect early progression.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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