Dear all,
I completed my DTI group analysis at subcortical level on the CVS space and
found clusters that survived by multiple comparisons. The results shows that FA
is decreasing in patients vs. controls.
I used then the same subject to do a structural group analysis to compare the
cortical thickness between the two classes. I found some clusters on the
fsaverage but this time they different located then the clusters found in my
DTI data. Is this right? I suppose it should be since I compare two different
data sets for the same subjects: FA clusters on subcortical CVS space vs.
structural data on the fsaverage. I still found that my cortical thickness is
decreasing in patients vs. controls but is there any relation that I can
established between the two studies?
Can I merge my structural results with my subcortical results? I was reading
about this on your
webpage:http://surfer.nmr.mgh.harvard.edu/fswiki/FsFastTutorialV5.1/FsFastGroupLevel
but I am not sure if in this case the structural analysis is using the same
functional data set while in my case I have same subjects but structural data
for the structural group analysis and DTI data for the subcortical analysis.
Can you please make this a little clear for me?
Thank you very much!
Antonella
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