Dear Doug,

unfortunately, I don’t know how to define the source (EPI) and target (smoothwm) within the mri_surf2surf command to apply smoothing on the FEAT functional data.

My aim is to apply smoothing of the FEAT functional data AFTER being resampled to the smoothwm (to avoid deficient smoothing due to attached cortical banks given by VBR-approaches)

mri_surf2surf --s PM_02173 --hemi lh --sval ???  --fwhm 10 --trgsurfval smoothwm

is smooth-out a better option?

--smooth-out (to apply smoothing after resampling to the smoothwm)

ps: Might tksurfer be an alternative? Using: tksurfer subject lh smoothwm –overlay [FEAT functional] -overlay-reg […anat2exf.register.dat ] and apply smoothing by using Toolsà Surface à Overlay Smoothing?

Kindly regards,

Christopher

Von: freesurfer-bounces@nmr.mgh.harvard.edu [mailto:freesurfer-bounces@nmr.mgh.harvard.edu] Im Auftrag von Douglas Greve
Gesendet: Montag, 16. Juni 2014 17:30
An: freesurfer@nmr.mgh.harvard.edu
Betreff: Re: [Freesurfer] smoothing functional data on smoothwm surface

Use mri_surf2surf with the --fwhm option
doug

On 6/16/14 3:13 PM, Milde, Christopher wrote:

Dear Freesurfers,

I’m interested in smoothing preprocessed (but unsmoothed) functional FEAT data, which was coregistered and resampled to the anatomical surface (using: reg-feat2anat/feat2surf).

I want to apply smoothing on the functional data preferentially on a surface which doesn’t suffer from metric distortions (like the inflated OR sphere). I thought about using the smoothwm surface.

Questions:

Which command can I use for smoothing the feat functional data on the smoothwm AND furthermore, how can I extract the cluster maxima afterwards???

I’m thankful for any helpful comment,

Greetz,

Christopher

_______________________________________________
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer