Fig. 1

Baseline [¹⁸F]GTP1 standardized uptake value ratios (SUVRs) in the temporal, whole cortical gray, temporal, and Braak regions of interest (ROIs) in the cognitively normal (CN) and prodromal (Pro), mild (Mild), and moderate (Mod) AD groups. ^ap < 0.05 vs. CN; ^bp < 0.05 vs. Pro