You will have to run mri_glmfit-sim

On 02/21/2017 04:07 AM, Clara Kühn wrote:
> Hi Doug,
>
> I have a gamma.mgh file in glmdir/rh-Diff-1-3-Intercept-long.area-spc/ and I 
> also have a contrasts.sig.mgh file in the gmldir.
>
> Could either of these be used instead of csdbase.sig.ocn.mgh? Or how could I 
> retrieve this file?
>
> Thanks for your help!
> Clara
>
> ----- Ursprüngliche Mail -----
> Von: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
> An: freesurfer@nmr.mgh.harvard.edu
> Gesendet: Donnerstag, 16. Februar 2017 19:22:01
> Betreff: Re: [Freesurfer] cluster as ROI
>
> On 02/16/2017 04:24 AM, Clara Kühn wrote:
>> Hi Doug,
>>
>> thanks for your input. Could you specify some of the flags for me?
>>
>> --i tp1.stack.mgh - is this supposed to be the cluster or file in my 
>> /template/surf/ folder that I get from mris_preproc and mris_surf2surf?
> input from preproc/surf2surf
>> --seg glmdir/contrast/csdbase.sig.ocn.mgh - I don't seem to have this file. 
>> The only files I have in the contrast folder are 2 .mat files
> there should be a bunch of output there from mri_glmfit and
> mri_glmfit-sim. Actually, if you ran qdec, then the glmfit-sim output
> may not be there. you'll have to run it separately. But there should be,
> eg, gamma.mgh there
>> Cheers
>> Clara
>>
>> ----- Ursprüngliche Mail -----
>> Von: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>> An: freesurfer@nmr.mgh.harvard.edu
>> Gesendet: Mittwoch, 15. Februar 2017 23:35:54
>> Betreff: Re: [Freesurfer] cluster as ROI
>>
>> Use something like this
>>
>> mri_segstats --i tp1.stack.mgh --seg glmdir/contrast/csdbase.sig.ocn.mgh
>> --excludeid 0 --avgwf tp1.clustermean.dat
>>
>> The output tp1.clustermean.dat will be a matrix with nsubjects rows and
>> nclusters columns where the value represents the mean for that subject
>> in that cluster.
>>
>>
>>
>> On 02/14/2017 11:47 AM, Clara Kühn wrote:
>>> Dear FreeSurfer Experts,
>>>
>>> I compared 2 groups in QDEC in spc (from pre to post) and found a cluster 
>>> that survives Monte Carlo correction. Now I would like to extract the data 
>>> for each participant and each time point from that cluster so that I can 
>>> plot the change.
>>>
>>> How could I do this? I tried this so far:
>>> aparcstats2table --qdec-long $SUBJECTS 
>>> DIR/qdec/2016.12.06-40kids-long.qdec.table2-1.dat --hemi rh - -tablefile 
>>> $SUBJECTS 
>>> DIR/qdec/2016.12.08-40kids-2stagemodel/rharea-cluster-extracted.txt --parc 
>>> $SUBJECTS DIR/qdec/2016.12.08-40kids-2stagemodel/rh-area 
>>> again/rh-Diff-1-3-Intercept-long.area-spc/cache.th30.abs.sig.cluster.mgh
>>>
>>> But I get this error:
>>> ERROR: The stats file 
>>> /nobackup/etsch2/kids/prepost-61kids/AL3K_1.long.AL3K.base/stats/rh./nobackup/etsch2/kids/prepost-61kids//qdec/2016.12.08-40kids-2stagemodel/rh-area_again/rh-Diff-1-3-Intercept-long.area-spc/cache.th30.abs.sig.cluster.mgh.stats
>>>  is not found or is too small to be a valid statsfile
>>> Use --skip flag to automatically skip bad stats files
>>>
>>>
>>> Do I have to define my cluster as a ROI and then warp it onto the single 
>>> time points? How would I do that?
>>>
>>> Any help is much appreciated!
>>> Thank you
>>>
>>> Clara

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
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