Meagan Farrell’s research has broadly focused on the effects of aging, disease, and injury processes on cognition. As a Pop Center research scientist, she works on the measurement and interpretation of cognitive outcomes for the HAALSI project. She is project director of the HAALSI Dementia Study, and is principal investigator (PI) of the pilot study Calibration of Cognitive Assessment and Dementia Diagnosis across Diverse Cohorts in the United States and South Africa (DeCal) that aims to harmonize assessment of cognitive aging across diverse cultural and socioeconomic contexts. Meagan received a PhD in cognitive psychology from the University of Florida before completing a post-doctoral fellowship at Columbia University Medical Center. Her previous work investigated changes to language, memory, and metacognition in normal and pathological brain aging.