The influence of education level on response to acetylcholinesterase Lead Investigator: Hoyoung An Institution : Asan Medical Center E-Mail : hyan0011@gmail.com Proposal ID : 491 Proposal Description: Education level is a major factor of cognitive reserve. Numerous studies have reported its effect on cognitive decline. We aim to see if it influences drug response in subjects with Alzheimer's disease and Mild Cognitive Impairment.