Heatmaps of Z-scores for regional ¹⁸F-florzolotau SUVRs in patients with bvFTD (n = 15). Classification by visual read of tau PET images (see Fig. 1) is indicated on the top. The left panel displays uncategorized Z-scores. The right map presents the following Z-score ranges: light blue, <1; orange, 1–2; red, >2. P01–11 are Aβ-negative, and P12–15 are Aβ-positive.