Dear SPMers,
I need some help. I know some posts have talked about it previously but I still haven't solved my doubts yet...
I have 2 groups (patients and controls) and two tasks (experimental + control task), if I want to do the following (Ac-Bc) - (Ap-Bp)...
Which contrast vector/s should I use??
I know this is some of the basics but I am totally confused..
Any help will be very very much appreciatted.
Thanks!
V
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