in the FSL web page this is well explained in randomise the p and corrp images are (1-p) so the threshold is 0.95 or 0.99 Angela > Hello- > > sorry for the simplistic question in advance. > > I have DTI images for two groups of individuals with two visits each. I > successfully ran TBSS and made a paired design matrix in Glm_gui. I used > randomize to make the group comparisons. I guess I don't quite understand > the output file. I have zstatn.nii.gz outputs for each of my n contrasts. > When I open those files in fslview it appears they are not thresholded. > How > do I threshold these zstat files if I want to look at p values of .01 and > and .05? > > Thanks for all your help! >