Dr. Thornton's research interest is in the area of statistical genetics, with an emphasis on statistical methodology for genetic association studies of complex traits in samples with relatedness, ancestry admixture, and/or population structure. He recently published “Local ancestry at APOE modifies Alzheimer’s disease risk in Caribbean Hispanics" (2019) Alzheimers & Dementia 15:1524-1532. doi: 10.1016/j.jalz.2019.07.016.