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Dear SPM users, I am using SPM5 to do a FIR analysis. I would like to compare the FIR result with independent components (Nifti files resulting from independent component analysis performed with FSL software) in a self written Matlab file (sort of quantification method for the independent components). However, the result of SPM is a .hdr and a .img file. I would like to have a nifti file as output from the SPM analysis, preferably a mask with the voxels that are activated (under certain FDR constraints) white, and the rest black (or the other way around). I tried to read the resulting .hdr file into MRIcro and then save it as a Nifti, but the disadvantage is that you have to threshold the file yourself in MRIcro and I don't know the conversion between the FDR=0.05 threshold in SPM and the thresholds used in MRIcro. So it would be much easier if I can get this .nii file immediately out of SPM... Does anybody know how I can accomplish this? It would save me heaps of time if I don't have to search through all the SPM m-files. Thank you very much! Regards, Debby Klooster