Hi Lily, fslreorient2std should also be applicable here, although note: you may still receive a warning message since the resulting files might have very slight numerical differences in their s/q-forms. Hope this helps, Kind Regards Matthew -------------------------------- Dr Matthew Webster FMRIB Centre John Radcliffe Hospital University of Oxford On 30 Aug 2019, at 15:23, Lily Wang <[log in to unmask]<mailto:[log in to unmask]>> wrote: Hi Matt, Thank you for your suggestions. Yes, they are in the same space. Would using fslreorient2std on both of them be an acceptable solution as well? Thank you, Lily ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1 ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1