1.   But patients with mild cognitive impairment still have insight, and they and their doctors say it can be a curse.

2.   Lawyers for Irwin and Banker introduced evidence that both were mentally retarded, although Irwin had only a mild impairment.

3.   Morrison-Bogorad said the memory changes seen in individuals with mild cognitive impairment are different from the common experience of misplacing car keys or groping for a word.

4.   Mild cognitive impairment may be caused by other disorders, especially depression.

5.   One kind of protofibril seems to interfere with the process of memory consolidation, he said, and may explain why people experience mild cognitive impairment in middle age.

6.   Petersen, of the Mayo Clinic, says mild cognitive impairment was discovered almost by accident.

7.   So are people with some forms of mental illness or mild mental impairment, such as Down syndrome.

8.   The disorder begins with mild cognitive impairment but eventually leads to death as more brain cells die.

9.   Mild cognitive impairment can sometimes be confused with ordinary aging, the study noted.