MAPT and Alzheimer disease: SUVRs in regions known to be affected by AD and frequently-examined in flortaucipir tau-PETstudies were evaluated (Botha et al., 2018;Cho et al., 2018;Dodich et al., 2020;Guo etal., 2020;Jack et al., 2017,2019;Leuzy et al., 2023;Lowe et al.,2018,2018;Maass et al., 2017;Ossenkoppele et al., 2018;Schöll etal., 2016;Schwarz et al., 2018;Wang et al., 2016;Weigand et al., 2022): entorhinal cortex, fusiform gyrus, inferior andmiddle temporal gyri, parahippocampal cortex, amygdala, and hippocampus.