On Thu, 20 Oct 2005, Jürgen Hänggi wrote: > I am doing VBM with 79 brains. After segmentation, there were > still present some tissue from the meninges. Now I want clean > (mask) this meningeal tissue. Which is the easiest and fastes > way to do this? If you don't find an automatic way, you can try the ROI tool from the spm_orthviews context menu (check that you have the latest version from the spm extensions page installed). Its available for SPM2 and SPM5. -- Volkmar Glauche - Department of Neurology [log in to unmask] Universitaetsklinikum Freiburg Phone 49(0)761-270-5331 Breisacher Str. 64 Fax 49(0)761-270-5416 79106 Freiburg