MAPT and red-green color blindness: Concordance with pathological patterns of tau deposition was also found in patients with CBD: case-reports of Aβ-negative patients with clinical diagnoses in the CBD spectrum revealed increased tau deposition, as measured by [11C]PBB3, [18F]THK5317 and [18F]THK5351, predominantly in white matter and the basal ganglia, but also in other cortical areas [28, 35, 53].