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
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