In MCI, those changes occur at a lesser degree. MCI often involves the same types of brain changes seen in Alzheimer's disease or other forms of dementia. In some cases, MCI may improve over time. Or MCI may progress to Alzheimer's disease dementia or another type of dementia. Symptoms of MCI may remain stable for years. There's no single outcome for the disorder. There's no single cause of mild cognitive impairment (MCI), although MCI may be due to early Alzheimer's disease. Note the difference in size between a healthy brain (top), a mild cognitive impairment brain (middle) and an Alzheimer's disease brain (bottom). This may include trouble recalling recent events or having trouble thinking clearly.īrain shrinkage in MCI and Alzheimer's diseaseĭementia causes the brain to lose mass, especially in critical areas. Talk to your health care provider if you or someone close to you notices you're having problems with memory or thinking. If you have MCI, you also may experience: Your family and friends notice any of these changes.You start to have trouble finding your way around places you know well.You find it hard to make decisions, finish a task or follow instructions.You have trouble following a conversation.Or you can't follow the plot of a book or movie.

You miss appointments or social events.

MCI may be the cause of changes in thinking if:

If concerns with mental function go beyond what's expected, the symptoms may be due to mild cognitive impairment (MCI). It may take longer to think of a word or to recall a person's name. Many people notice they become more forgetful as they age. The brain, like the rest of the body, changes with age.

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