[Freesurfer] Spatial smoothing in Matlab

Hi,

For a simulation purpose, I want to load a surface into Matlab, assign a random value (taken from a normal distribution) to each vertex, do spatial smoothing on the surface with a given FWHM (e.g. 5mm), then do some computations with the smoothed values.

I am wondering if there is a Matlab code that I can use for surface smoothing, similar to what FS-FAST preprocessing does in Freesurfer version 5 and above.

Thanks, Reza

***************** Reza Rajimehr, MD Postdoctoral Research Fellow

McGovern Institute for Brain Research Massachusetts Institute of Technology (MIT)

NMR Martinos Center Massachusetts General Hospital (MGH) Harvard University *****************