Dear Sascha,
You are right. The choice you make at that stage defines the height
threshold to be applied on the statistical map. The FWE option will
ensure a control of the family-wise error rate at the peak level for the
entire search volume.
Best regards,
Guillaume.
On 13/11/17 16:08, Sascha Frölich wrote:
> Dear all,
>
> After performing a two-sample t-test and estimating the model, I want to
> visualize the results by clicking the "Results" button and choosing the
> corresponding SPM.mat-file. After SPM asks if I want to apply masking,
> it asks "p value adjustment to control" with the possible option "FWE".
> What exactly is this option? I suppose it displays only those results
> where pFWE at peak-level is less than the entered threshold. Is that
> correct?
>
> Thanks in advance!
>
> Best,
> Sascha
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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