Dr. Brian Helsel is an Assistant Professor with the University of Kansas Alzheimer's Disease Research Center in the Department of Neurology at The University of Kansas Medical Center. He has a background in exercise physiology and physical activity epidemiology with over a decade of experience working with special populations in programs related to physical activity promotion. Dr. Helsel's primary research focus is on the measurement of physical activity using wearable devices in adults with Down syndrome and the impact of exercise on brain aging and Alzheimer's disease development in this population. He is also interested in the contribution of other lifestyle and metabolic factors influence healthy brain aging in adults with Down syndrome.