Hi - if you want to get FWE corrected p-values without using
permutation testing then the commonest approach is Random Field Theory
- see for example the Cambridge Imagers website.
Cheers.
On 8 Jul 2009, at 13:54, Zhang, Xiaochu (NIH/NIDA) [F] wrote:
>
> Hi FSL experters,
> I would like to know whether there is a way to do "Cluster-based
> thresholding corrected for multiple comparisons by using the null
> distribution of the max (across the image) cluster size." solely. I
> do not want to do "Permutation" analysis. I have got the activated
> map. The only thing I need to do is Multiple comparison correction.
> I want to do FWE correction but not FDR because some reasons.
>
> Xiaochu Zhang PhD
>
> Visiting Research Fellow
>
> Neuroimaging Research Branch
>
> National Institute on Drug Abuse - IRP
>
> Biomedical Research Center
>
> 251 Bayview Blvd.
>
> Suite 200 (NIDA)
>
> Baltimore MD
>
> 21224
>
> Tel: 443-740-2619
>
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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