There is an option to reorient images: Batch --> Util --> reorient images You should enter Images to reorient and reorientation matrix. To flip your images the matrix should be [-1 0 0 0; 0 1 0 0; 0 0 1 0; 0 0 0 1] Hope this helps, Ella On Fri, Jul 19, 2013 at 3:12 AM, A a <[log in to unmask]> wrote: > Hi all, > > What are the best approach to compare activations in right and left > hemispheres? > > For example, I found a paper that tried to flip contrast images about the > sagittal mid line. I do not know how to do this. > > any advice or suggestions will be appreciated , > > thanks > > Adss > -- Ella Gabitov Ph.D. student The E.J. Safra Brain Research Center for Learning Disabilities The Laboratory of Human Brain and Learning University of Haifa Israel Phone: +972-52-6722700 E-mail: [log in to unmask]