> I am trying to compare two neurodegenerative patient populations atrophy patterns using VBM. Sample sizes are 18 and 20.
> I have run the VBM pipeline up until Displaying Cluster-Based Thresholding Results
> I would like to initially threshold for clusters at P<.05, then correct at P<.01.
> Would I just manipulate the default value of -c 2.3 -> to whatever my degrees of freedoms and desired alpha.?
> Then modify the following line:
> fslmaths fslvbm_clustere_corrp_tstat1 -thr 0.95 -bin mask_pcorrected
> fslmaths fslvbm_clustere_corrp_tstat1 -thr 0.99 -bin mask_pcorrected ?
yes, this is correct.
> Also, is there anything else I should be doing following this?
no, that should do it.
Good luck Jesper