As a researcher, Dr. DeKosky focused on understanding the neurochemistry, neuroimaging, treatment and prevention of Alzheimer’s disease in both his laboratory and in clinical research. He also co-authored the first report of the dementia associated with traumatic brain injuries among professional football players and published extensively in basic research of TBI.. At UF, Dr. DeKosky did graduate work in psychology and neuroscience, received a medical degree in 1974 and following an internship at The Johns Hopkins Hospital, returned to UF to complete a residency in neurology, followed by a fellowship in neurochemistry at the University of Virginia Center for Neurosciences.