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Dear Anders, Did you reorientate all fmri images? Best, Andy On Sun, Feb 8, 2015 at 2:11 AM, Anders Eklund <[log in to unmask]> wrote: > Dear SPM experts, > > I'm trying to analyze an fMRI dataset but the normalization to MNI space > is not optimal. The anatomical volume seems to be transformed correctly, > but not the fMRI data. I suspect this is because the T1 volume and the fMRI > data have different coordinate origins. I changed the coordinate system of > the fMRI data (using the display function), such that 0 0 0 is in the > anterior commissure. However, when I try to realign this dataset I get the > following error (but the realignment works for the fMRI dataset with the > original coordinate origin). Any idea of how to fix this? > > I'm running SPM8 with Matlab 2014b in Centos 6.6, computer has 16 GB of > memory. fMRI dataset is 64 * 64 * 33 * 160. > > Running 'Realign: Estimate & Reslice' > Failed 'Realign: Estimate & Reslice' > Error using : > Maximum variable size allowed by the program is exceeded. > In file "/home/andek/spm8/spm_realign.m" (v6071), function "smooth_vol" at > line 391. > In file "/home/andek/spm8/spm_realign.m" (v6071), function > "realign_series" at line 265. > In file "/home/andek/spm8/spm_realign.m" (v6071), function "spm_realign" > at line 118. > In file "/home/andek/spm8/config/spm_run_realign_estwrite.m" (v4152), > function "spm_run_realign_estwrite" at line 26. > > > -- > Anders Eklund, PhD > > >