Hi Mayuresh,

what do you want to do with it in SPM? The thickness can be converted to a volume format, but it will actually be a 1 x n vector, where n is the # of vertices in the surface. Not sure if that will be useful or not. For example from the surf dir you could do:

mris_convert -c thickness lh.orig lh.thickness.mgz mri_convert lh.thickness.mgz lh.thickness.nii

to create a niftii file

cheers Bruce

On Thu, 11 Jun 2009, Mayuresh Korgaonkar wrote:

Dear Freesurfer users and authors,

Is it possible to export a surface (eg. ?h.thickness) to an image volume - something which could be read into SPM? I came across mri_surf2vol function, however I am not to familiar with the usage. I understand that a volume registration file is required, what exactly is this file? If anyone can suggest an example usage of mri_surf2vol that will be very helpful.

Thanks in advance, Mayuresh

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