Fig. 2From: Mesial temporal tau in amyloid-β-negative cognitively normal older personsMean tau 18F-MK6240 SUVR images for the cohort: lower 90% versus top 10%. Mean tau 18F-MK6240 SUVR images overlaid on a T1 MRI template for the cohort, lower 90% (left) and top 10% Me SUVR (right) showing tau tracer retention confined to Braak stages I–IIBack to article page