Freesurfer reported the following hippocampal volumes for a subject
volumeInVoxels:
right_CA1: 2652.3
right_CA2_3: 7245.11
right_CA4_DG: 3967.28
right_fimbria: 423.555
right_hippocampal_fissure: 191.897
right_presubiculum: 3598.99
right_subiculum: 4868.1
Right-Hippocampus: 3258.77
I have two questions about it
I don’t understand why the right_subiculum volume is more than the Right-Hippocampus volume.
Since the voxel size for the volumes is 0.5^mm, do we have to divide these volumes by 8 to convert them to voxel size 1^mm so that we can do direct comparison with other freesurfer stats volume (for example the volumes in rh.aparc.stats)?
Thanks
--Mohammad Zia
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