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Many thanks for the fast response. I was running an older version (4.0.4). I would have to contact the University's ITs and ask them for update. Hopefully it works... Kind regards, Kamen 2008/12/18 Markus Gschwind <[log in to unmask]> > Hi! > > What version of FSL are you running? > > As you can see here: > > http://www.fmrib.ox.ac.uk/fsl/tbss/index.html#new > > this scaling problem does no longer exist in the newest version 4.1.2. > (TBSS version 1.2) > > All the best, > Markus > > 2008/12/18 Kamen Tsvetanov <[log in to unmask]> > > Dear FSL experts, >> >> I am a real newbie at FSL and I have couple of (probably for you silly) >> questions. I tried to look for answers in the forum but it was only a >> partial >> success. >> Here is a brief introduction to what I have done and what I would like to >> get: >> I would like to run TBSS analysis on FA data. After running all the steps >> shown >> in the tutorial I have realized that the values of my results (mean_FA, >> mean_FA_skeleton, tbss_tfce_stats) do not vary any more in the range of 0- >> 1, but between 0-10000. By reviewing the steps in dept it turned out that >> in >> the first, tbss_1_preproc step was applied a mulplicative factor of 10000 >> to all >> images. I can imagine that this step is important for the later >> statistical steps >> but it worries me that I do not keep anymore the FA range. >> My question is whether I am able to get back in range of values between >> 0-1. >> Furhtermore, at what step I should do that and most importantly if you >> could >> suggest how I am able to do that. >> >> Many thanks, >> Kamen >> > > > > -- > Dr. med. Markus Gschwind, M.D. > Laboratory for Neurology and Imaging of Cognition > Dept of Neurosciences > University Medical Center (CMU) > 1 Michel-Servet - 1211 GENEVA - CH > > Tel 0041 (0) 22 379 5324 > Fax 0041 (0) 22 379 5402 > email: [log in to unmask] > http://labnic.unige.ch >