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Voxel-wise relationships between FA in the merged fornix template and CSF markers. Separate analyses were performed to examine the relationships between FA and Aβ42 (A) and Tau/Aβ42 (B). Voxels with significant positive correlations are shown in green (A) and those with significant negative correlations are shown in blue (B). Threshold-free cluster enhancement was performed and voxels with p < 0.05 were considered significant. TBSS-fill was used for visualization.
