I'm currently a summer student working at a lab
which uses Freesurfer to measure hippocampal volumes. I noticed that
scanning the same patient first on a GE 3T (Multi-channel head coil) and
then a GE 1.5T (single-channel head coil) 24 hours later resulted in a
30% increase in the left hippocampus volume and a 18% increase for the
right hippocampus based on the values in aseg.stats. Can anyone please
comment on this and explain the large discrepancies? Thanks!
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