Fig. 1

Representative sagittal 18 F-AV45 PET/MRI images. (A) A participant with PCA with significant cortical amyloid-β (Aβ) deposition (white arrows) and occipital-parietal atrophy of right hemisphere in brain MRI (yellow circle). (B) An age and sex matched healthy control participant with typical negative 18 F AV45-PET scan and MRI scan indicates no significant occipital-parietal atrophy