I have around 20 subjects each with two scans. I want to get the
correlation between the two scans from all the subjects. However the
available regression design in SPM is not applicable in this case.
I was tempted to use Imcalc but that would mean creating difference images
from the mean image, squared difference image, product of difference
images, etc. Is there a way of doing this simply in SPM?
Thanks,
Mark A. Gamalo
Graduate Student Researcher,
Dept. of Psychiatry
University of Pittsburgh
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