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Dear SPM users, I have some questions about topological FDR. 1/ What is the mean of FDRp: Inf? 2/ I am not sure of how can we apply topological FDR on our results. I have seen in the forum an example: Use a T=3 to obtain the FWEc and the FDR p/c and then use the values when going through the results procedure again. Is T=3 corresponded to p<0.001? How can we obtain a p=0.05? Is it correct to work with a p =0.05 for topological FDR? In my results I have FWEp: 4.561, FDRp: Inf, FWEc:3641, FDRc: Inf! I don't really understand what I am supposed to do! Somebody can help me? If I use the FWEc, is it correct? What is the difference between FDRp and FDRc? 3/I don't understand the difference between p and q? It is in the cluster level and the peak level in whole brain: pFWE-corr? qFDR-corr? 4/ If defaults.stats.topoFDR is at 0, topological FDR can be applied? Thank you for your help!