what is the size of the 4D matrix?

On 03/27/2013 05:41 AM, Rafa X wrote:
> Thanks Bruce for your answer, as you asked I'm forwarding this
> question to the list in case any other can answer this.
>
> We already have the surface generated by mri_preproc, now we are
> trying to read it using the matlab function read_mgh. It returns a 4-D
> matrix, how can we interpret this data to get the cortical thickness
> values at each vertex of every subject?
>
> Rafa & Gabi
>
> 2013/3/26 Bruce Fischl <fis...@nmr.mgh.harvard.edu>:
>> Hi Rafa and Gabi
>>
>> yes, that's pretty much what the -qcache flag does in recon-all. Or you can
>> use mri_surf2surf to do it.
>>
>> cheers
>> Bruce
>>
>> On Tue, 26 Mar 2013, Rafa X wrote:
>>
>>> Hi Freesurfers,
>>> We would need to obtain the cortical thickness of each subject in the
>>> space of the average subject (built from our subject population), Does
>>> it exists?
>>> If so, Can I use the label files produced by mri_surfcluster to
>>> directly extract the mean cortical thickness of each ROI in each
>>> subject? We want to avoid to trasform each cluster to every subject.
>>>
>>> Thank you all in advance,
>>> Rafa & Gabi.
>>> _______________________________________________
>>> Freesurfer mailing list
>>> Freesurfer@nmr.mgh.harvard.edu
>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>>>
>>>
>>>
>>
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