Mild cognitive impairment–amnestic type (MCI-AT) is mild, repeated memory loss. It lies between the normal memory loss of aging and the more serious conditions of dementia and Alzheimer’s disease (AD) . MCI-AT only involves problems with memory. Dementia and Alzheimer's involve loss of other cognitive abilities, such as:
People with MCI-AT who are over age 65 have a higher chance of developing dementia and Alzheimer's. However, many people with MCI-AT never develop these disorders. Some even revert to normal.