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Thank you very much for your quick answer. I already thought that SPM should write new files, but i couldn't find any. There were none in the current Matlab directory, and there was no option in "Create Inverse Warped" to specify an output directory. Could you give me more information on warping back to original space or point me to a source with more information on that topic? Best regards Robert Lech Am 27.01.2012 16:02, schrieb John Ashburner: > The original images should remain the same. There should be new > images that get warped back to match the individual. Where they > appear will depend on what output directory you chose. > > Note that warping from MNI space to original space is a bit tricky, as > it needs more than just the Dartel flow fields. These fields map > between individual and population average spaces. An additional > affine transform is needed to map between population average and MNI > space - which will need more code to be written. > > Best regards, > -John > > On 27 January 2012 13:38, Robert Lech<[log in to unmask]> wrote: >> Dear SPM community, >> >> I recently tried to transform images from MNI space back to subject space, >> using the "Create Inverse Warped" tool. I put in the appropriate flowfield >> (which can be used for both forward and backward deformations?) and the >> images i wanted to transform. >> >> But after doing this i realized that the images were not changed at all, and >> they still remain in MNI space, although SPM successfully completed the >> batch without any error message. >> >> Is this the wrong tool to transform DARTEL normalized pictures back or am i >> missing something here? >> >> Best Regards >> Robert Lech >> >> -- >> Dipl.Psych. Robert Lech >> Institute of Cognitive Neuroscience >> Department of Neuropsychology >> Ruhr-University Bochum >> GAFO 05/611 >> Universitätsstraße 150 >> 44801 Bochum, Germany >> >> Phone: +49(0)234-3223175 >> Email: [log in to unmask] -- Dipl.Psych. Robert Lech Institute of Cognitive Neuroscience Department of Neuropsychology Ruhr-University Bochum GAFO 05/611 Universitätsstraße 150 44801 Bochum, Germany Phone: +49(0)234-3223175 Email: [log in to unmask]