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Hi All, I'm trying to run a very large GLM with ~2000-4000 timepoints/voxel and ~220 regressors. Currently, I'm doing this by feeding FSL individual slices - If I try to give FSL the entire 4D dataset it runs out of memory as you might expect. However, for each slice, it still takes ~1 day to run. Do anyone have suggestions for how to speed this up? Thanks, Sam