Left, Aggregate white matter (WM) summary of all projections from β-amyloid (A), tau (T), or neurodegenerative (N) regions. Right, Color-coded tracts generated from each set of Alzheimer disease–signature seed regions (A-, T-, N-regions). AY = amygdala; EH = entorhinal; GR = gyrus rectus; IP = inferior parietal; IT = inferior temporal; LO = lateral occipital; LT = lateral temporal; MT = medial temporal; PC = precuneus; PF = prefrontal; SP = superior parietal.