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On 15 Mar 2013, at 12:00, Jie Yu <[log in to unmask]> wrote: > Hi > > In the fsl vbm user guide. ( http://fsl.fmrib.ox.ac.uk/fsl/fslwiki/FSLVBM/UserGuide ) > > There are 2 kinds of significance tests: TFCE and cluster. > > TFCE: > > fslview $FSLDIR/data/standard/MNI152_T1_2mm fslvbm_tfce_corrp_tstat1 -l Red-Yellow -b 0.949,1 This is not part of the analysis it ensures the display of all values >= 0.95 > Cluster: > > fslmaths fslvbm_clustere_corrp_tstat1 -thr 0.95 -bin mask_pcorrected This IS part of an analysis pipeline actually thresholding an image at 0.95. > I think 0.95 makes sense, but I always wonder why we use 0.949 in TFCE??? > Thanks a lot! > -- Dave Flitney Oxford Centre for Functional MRI of the Brain E:[log in to unmask] W:+44-1865-222713 F:+44-1865-222717 URL: http://www.fmrib.ox.ac.uk/~flitney