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The 3DEPI fMRI, whole brain MT-3DEPI and MP2RAGE data for two representative participants. Similar patterns of distortion can be seen for the 3DEPI fMRI and MT-3DEPI data (e.g. blue arrows) but with the latter having enhanced tissue contrast. The bottom row (blue panel) shows the group level data based on averaging across all 20 participants in MNI_1mm iso space. Note that no distortion correction methods were applied to any of these data.
