mSIM: Mobile Simultaneous Aerobic Exercise and Memory Training Intervention for Amnestic Mild Cognitive Impairment

Inclusion Criteria * Subjects must be age 50 to 80 at time of informed consent. * Subjects must confirm an aMCI diagnosis either by providing records from a clinical assessment within 6 months of enrollment in this study or through a brief memory assessment by study staff at screening. * Subjects must be proficient in spoken and written English for consenting as well as for study participation since the intervention in this study is currently only available in English. * Subjects with medical conditions must be stable for these conditions. Stable control on medication is acceptable. * Subjects, with or without assistance, must be able to use a computer and web interface. If assistance is needed, it must be readily available to them. * Subjects are required to have internet with Wi-Fi at the location of their mSIM training. * Subject must have normal visual acuity (or corrected to normal) and normal color vision as indicated by self-report. * Subject must have adequate hearing acuity as indicated by self-report. * Subject must have adequate motor capacity to use a mobile phone/iPad/computer as indicated by self-report. * Subjects must be able to provide medical clearance to participate in an unsupervised, moderate intensity exercise program from a physician. Exclusion Criteria * Subjects must not have an existing diagnosis of a neurodegenerative disorder (e.g., Alzheimer's Disease, Lewy Body Dementia, Frontal-Temporal Dementia). * Subjects must not have a prior diagnosis th…