> My apologies if this is an elementary question, but is there any way
to do
> a region-of-interest analysis (or small volume correction) at a group
> level with SnPM3 implemented in SPM2?
Yes, it is possible to do a small volume correction in SnPM. You simply
mask your con-images with a mask image of your ROI, then run an SnPM
analysis. There is a thread on the SPM mailing list which talks about
the appropriateness of this method. See
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind05&L=SPM&P=R485274&I=-3
-Satoru
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