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Sorry, can't say much more about that than what is at the bottom of the practical page http://www.fmrib.ox.ac.uk/fslcourse/lectures/practicals/fdt/index.htm If you load a corrp image into fslview and set the lower bound to 0.95 and upper bound to 1 (min/max settings in fslview) anything that shows up is significant. I'm not familiar with tbss_fill, etc. Jeanette On Sun, Feb 10, 2013 at 7:30 AM, Sandra Petris <[log in to unmask]>wrote: > Hi Jeanette, > > > thanks a lot. Seems to work. I have a question regarding -R option of > fslstats. Does it report the range of significance in the following way?: > > fslstats tbss_tfce_p_tstat2 -R > > 0.000000 0.998000 > > If that is the case when I run: > > tbss_fill tbss_tfce_corrp_tstat2 0.95 mean_FA tbss_fill > fslview mean_FA -b 0,0.6 mean_FA_skeleton -l Green -b 0.2,0.7 tbss_fill -l > Red-Yellow > > Should I see enlarged significant clusters? because i dont > > thanks a lot for your help I do appreciate it > > cheers > sandra > > > 2013/2/10 Jeanette Mumford <[log in to unmask]> > >> Hi, >> >> I think that looks fine. With fsl 5 you don't need to mean center behav >> in a *single* subject model with the -D option. Don't use it with this >> model. >> >> Cheers, >> Jeanette >> >> >> On Sat, Feb 9, 2013 at 4:22 PM, Sandra Petris <[log in to unmask]>wrote: >> >>> ps: with fsl 5 i dont need to demean the behav score right? I forgot it >>> bu i can leave like that anyway? >>> >>> >>> 2013/2/8 Sandra Petris <[log in to unmask]> >>> >>>> Dear fsl experts, >>>> >>>> I want to compare 2 groups of 6 subjects each with respect to the >>>> correlation between FA values and behavioral scores. >>>> >>>> Please check if the following design matrix and constarst file are >>>> correct >>>> >>>> /NumWaves 2 >>>> /NumPoints 12 >>>> /PPheights 1 1 >>>> /Matrix >>>> 1 0.029 >>>> 1 1.1071 >>>> 1 1.4751 >>>> 1 1.5159 >>>> 1 1.7623 >>>> 1 2.05 >>>> 0 2.8715 >>>> 0 3.031 >>>> 0 3.1102 >>>> 0 3.5682 >>>> 0 3.7093 >>>> 0 4.1891 >>>> >>>> >>>> >>>> /NumWaves 2 >>>> /NumContrasts 2 >>>> /PPheights 1 1 >>>> /Matrix >>>> 1 -1 >>>> -1 1 >>>> >>>> >>>> Should I demean the data adding the -D option in the randomose script? >>>> >>>> Any advice would greately appreaciated >>>> >>>> Cheers, >>>> >>>> sandra >>>> >>>> >>>> >>> >> >