Dear FSL experts,
I did a dual regression analysis on one group. However, I have got the impression that my resting state activity does not increase or decrease in a linear pattern. Is it possible to do a quadratic regression within one group in dual regression? And if so, how do a have to compute this in my design.mat and design.con?
Thank you very much in advance.
Kind regards,
Christiane Jockwitz
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