Sample the voxel-wise data onto the surface. Then use the --pvr
(per-vertex regressor) option in mri_glmfit. Search the mail archives
for more info.
On 11/20/2018 04:23 AM, Carola Mayer wrote:
>
> External Email - Use Caution
>
> Hello Freesurfer Developers,
>
> I have a general question about how to analyse a certain combination
> of data. I have an independent variable that contains voxel-wise data
> and I have a dependent variable that contains vertex-wise cortical
> thickness values.
>
> I would like to do a between-subjects analysis correlating the
> voxel-wise and vertex-wise data. What is a valid approach to do this?
> Should I first register the voxel-wise data onto the vertex-wise data
> and then register them into an average space to do group analysis? Or
> is a different method more valid?
>
> Thanks in advance for your time and help,
>
> Carola
>
>
>
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