MAPT and Alzheimer disease: An AD-like [<sup>18</sup>F]FDG-PET pattern was strongly associated with a CSF "Consistent with AD" (OR = 4.81, <i>p</i> < 0.0001) and a lower Amyloid-Tau Index (ATI; β = -0.43, <i>p</i> < 0.0001).