Hi FS community,

I was wondering if anyone had a chance to give this a look.

Thanks in advance,
Panos


> Hi FS community,
>
> I am doing a cortical thickness comparison between a diseased and a
> healthy group. After running the mri_glmfit command for both hemispheres,
> I project the uncorrected significance map and there are a number of
> significant clusters showing (if you consider the p value to be at most
> 0.05). However, instead of using the clusterwise Correction for Multiple
> Comparisons, I wanted to use FDR to see what the results would look like,
> and I had a few questions regarding the whole process:
>
> 1) Are Tksurfer and QDEC the only tools in FS that I can apply the FDR
correction
> with, or are there any other ways?
>
> 2) In Tksurfer, I tried using the "Set Threshold Using FDR" tool, and when
> I set the rate from 0.88 to 0.87 it bumps up the minimum threshold from
> 1.37 to 3.24 hence resulting in no significant clusters for rates less
> than 0.88. Does that sound normal?
>
> Thanks in advance!
> Panos
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>
>
>

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