Hi Alfonso,

Thanks for the helpful response! I was actually specifically wondering how would I actually evaluate whether the found differences relate to positive-connectivity or anti-correlations between time points. Is there a certain contrast that I should use in the "between-conditions" (second-level) contrast to test for negative connectivity? For instance, if I wanted to examine changes in positive connectivity between time points 1 and 2, I would enter "[1 -1]" which corresponds to brain regions that exhibit decreases in positive connectivity from time point 1 to time point 2. However, how would I look at increases/decreases in negative connectivity between these time points? I hope this makes sense!

Thank you again!