Johnson, Leigh A

Leigh A. Johnson is a Senior Professor at the University of North Texas Health Science Center. Her research focuses on the neuroscience of aging, specifically examining the interplay between chronic stress, depression, and Alzheimer's disease pathology. Her recent work characterizes plasma AT(N) biomarkers in diverse, community-based cohorts, investigating how psychosocial factors and immunometabolic dysregulation influence cognitive impairment and dementia risk. She leads the Health and Aging Brain Study–Health Disparities (HABS-HD), a major initiative exploring racial and ethnic disparities in Alzheimer's biomarkers and physical functioning.