Hi Kody,
scanner effects across vendor could be larger than disease effects. You can
attempt an analysis but you will have a tough time to publish it given these
differences and no real way to control for scanner effects. Maybe scan 5-10
people on all these scanners and show that scanner
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Hi Kody -
In my view, its best not to do group comparisons using data from scanners
of different field strengths. Even between scanners of same magnetic field
strength (e,g., 3T Siemens and 3T GE), there are large variations that need
to be covaried
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Good afternoon Freesurfer team,
I want to run the longitudinal pipeline on multiple groups of subjects, the
problem is we are at the mercy of the scanners available to us at the various
time-points. We have two different Siemens 1.5 scanners (same
