MAPT and red-green color blindness: Of seven CBD cases, one had a small number of GFAs in all regions examined (Figure 2K,L), while all CBD cases had many unclassifiable astrocytic lesions reminiscent of classic astrocytic plaques in which granular, oval or rod‐like tau accumulations tended to be distributed in the peripheral region (Figure 2M,N) in addition to classic astrocytic plaques (Figure 2O).