No. The documentation is correct. The information needed to warp the c1, c2 etc images is available within the u_rc1*.nii files. You could use the toolbox to warp the rc1, rc2 etc, but these are generally lower resolution, leading to a few more aliasing artifacts in the warped data. Best regards, -John On 12 November 2013 19:49, Xu, Ben (NIH/NINDS) [E] <[log in to unmask]>wrote: > Hi, > > This question may have already been asked, but I couldn't locate it in the > spm message archives. > > In the spm8 manual on "Using Dartel tools-->Normalize to MNI Space," > it says to select the "c1" and or "c2" images from the previous step. > > Shouldn't it be the "rc1...rc2" images, instead (since the flow field file > is "u_rc1...")? > > Thanks for your help. > > Ben >