Clinical Research Directory

Inclusion Criteria: General Inclusion (both healthy and AD populations): * Community-dwelling * Capable of walking short community distances (approximately 10-15 minutes at a time) without assistance from another person or a device (such as a cane). * Able to communicate with researchers * Age 50-90 (inclusive) Population-specific Inclusion criteria: * Healthy - * No diagnosis of AD * AD population- CERAD score of \<1.5 SD from age + education adjusted norms on delayed recall domain or one or more other cognitive domains (i.e. language, attention). MoCA score between 20-30 MMSE score between 25-30 Exclusion Criteria: * Presence of significant hearing impairment * Current orthopedic, neurologic or other medical condition that limits the ability to walk. The MOCA, MMSE and CERAD tests will be completed in-person after the participant consents into the study. If the participant is determined to be ineligible based on their performance on these tests (compared to inclusion requirements listed above), they will be informed that they are not eligible for this study and the study visit will be cancelled. They will then be withdrawn from the study; their clinical tests and study documentation will be maintained for the purposes of completeness, but will not be used for any study analyses.