Michael, In this case the image is saved correctly (both correctly in space and with the correct header), it just that the display in that session of FSLView that is changed. If you remove the mask and reload it from the saved file it looks correct. Peace, Matt. -----Original Message----- From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf Of Michael Hanke Sent: Sunday, May 03, 2009 1:40 PM To: [log in to unmask] Subject: Re: [FSL] FSLView Bug with Neurologically Oriented Images On Sun, May 03, 2009 at 01:25:23PM -0500, Matt Glasser wrote: > When creating a mask and drawing an ROI with a neurologically oriented > image, FSLView will flip the image to the other hemisphere after saving and > doing something like creating another mask or locking the file against > editing. The saved file will actually be correctly oriented, only the > display of it in the current session of FSLView is flipped. And it already does that for a while: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=450572 Michael -- GPG key: 1024D/3144BE0F Michael Hanke http://apsy.gse.uni-magdeburg.de/hanke ICQ: 48230050