Area in mm^2
On 01/06/2016 01:16 PM, Tara Miskovich wrote:
> Thank you so much, this is incredibly helpful. And just to be clear is
> this the minimum area or vertices?
>
> Tara
>
> On Wed, Jan 6, 2016 at 12:01 PM, Douglas N Greve
> <mailto:Freesurfer@nmr.mgh.harvard.edu>> <greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>> wrote:
>
>
> First, look in the qdec output folder to determine the FWHM in the
> fwhm.dat file. Assuming the value is 10, you are looking at the left
> hemisphere, you used a positive tail, and the voxel-wise threshold was
> 1.3 (p<.05), then you would find the following file
>
> $FREESURFER_HOME/average/mult-comp-cor/fsaverage/lh/cortex/fwhm10/pos/th13/mc-z.cdf
>
> This will have 8 columns, but you will be interested in columns 2
> and 4
> (MaxClustBin and MaxClustCDF). The MaxClustCDF is the p-value for the
> given cluster size MaxClustBin. Eg, on line 25:
>
> 25 473.758087 0.021000 0.169000 0.045775 11.261296
> 0.002800 0.325000
>
> indicates that the clustersize must be at least 473.758 to have a
> cluster p-value of .045775
>
> clear?
>
> doug
>
>
>
> On 01/05/2016 08:35 PM, Tara Miskovich wrote:
> > Hello Freesurfer experts,
> >
> > I need help me finding how to get the minimum number of vertices
> > required to pass the cluster-corrected threshold with monte carlo
> > simulations used in qdec for a surface based analysis?
> >
> > This is per a reviewer request, but I cannot find anything on
> the wiki
> > or in the mail archives on how to get this value.
> >
> > Can someone please help me with this issue?
> >
> > --
> > Thank you,
> >
> > Tara
> >
> >
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>
> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>
> Phone Number: 617-724-2358 <tel:617-724-2358>
> Fax: 617-726-7422 <tel:617-726-7422>
>
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>
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> --
> Thank you,
>
> Tara A. Miskovich, M.S.
> Affective Neuroscience Laboratory
> Department of Psychology
> University of Wisconsin-Milwaukee
> 334 Garland Hall
> miskovi2@uwm.edu <mailto:miskovi2@uwm.edu>
>
>
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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
greve@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422
Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
www.nmr.mgh.harvard.edu/facility/filedrop/index.html
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
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