I'd convert them to nifti files and then use SPM. SPM won't know the
difference between a surface nifti and a volume nifti.

Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Postdoctoral Research Fellow, GRECC, Bedford VA
Website: http://www.martinos.org/~mclaren
Office: (773) 406-2464
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On Mon, Jul 29, 2013 at 6:37 PM, Louis Nicholas Vinke
<vinke@nmr.mgh.harvard.edu> wrote:
> Forwarding to the list so others can chime in.
>
> ---------- Forwarded message ----------
> Date: Mon, 29 Jul 2013 18:19:38 -0400
> From: Subhabrata Chaudhury <subha@scientist.com>
> To: Louis Nicholas Vinke <vinke@nmr.mgh.harvard.edu>,
>     Aaron Tanenbaum <aaron.b.tanenbaum@gmail.com>
> Subject: Re: [Freesurfer] break up time course nifti
>
> Greetings Dr. Vinke and Dr. Tanenbaum,
> I saw your recent freesurfer posts.
> I have piped BOLD volumeetric nii files for each TR onto the subject's
> freesurfer surface using
> bbregister. The resulting surface files (1 for each TR) are in mgh format.
> Now I want to do a first
> level glm analysis on the surface files.
> I havent come across any tool that will allow me to conduct a first level
> glm analysis using the
> mgh files. So I was thinking if there is a way to convert these mgh files to
> nii files and then be
> able to read in these 'surface' nii files into fsl or spm or afni.
> Do you have some experience in this regard that you can share ?
> I will be highly obliged if you can help me with this and share your
> thoughts.
>
> Thank you for your help,
>
> Subha
>
>
>
>       ----- Original Message -----
>
>       From: Louis Nicholas Vinke
>
>       Sent: 07/29/13 05:46 PM
>
>       To: Aaron Tanenbaum
>
>       Subject: Re: [Freesurfer] break up time course nifti
>
>
>
>
> Hi Aaron, You can use the -f or -nth flags with mri_convert. -Louis
>
> On Mon, 29 Jul 2013, Aaron Tanenbaum wrote:
>
>> hola freesurfers, I have a time course surface nii files. I would like to
>> break up the time course into many nii files for each time frame. Is there
>> an easy way of doing this. Thank you Aaron Tanenbaum
>>
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