This is in contrast to PSP, where the in vivo signal of AV-1451 does not seem to correlate with 4R tau pathology.6,25 Another recent study22 describes uptake of 18F-THK-5351 in the motor cortex, as well as subcortical white matter and basal ganglia contralateral to the affected side of the body in patients with CBS, very much in line with our results. Here, MAPT is linked to supranuclear palsy, progressive, 1.