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(A) VBM reveals significant parietooccipital atrophy in individuals with PCA (threshold t > 10). Data are masked to gray matter and represent voxels where PCA patients show lower volume than HCs. (B) Decreased connectivity within the visuospatial network and from the R occipital seed to bilateral insula in PCAs compared with HCs. There is also increased connectivity between the seed and R angular gyrus in PCAs compared with HCs.
