Re: [Freesurfer] Mean gray-white contrast for each ROI

2017-05-18 Thread Douglas N Greve
You will want the "Mean" column. The value is 100*(W-G) GWC = - 0.5*(W+G) The area is the surface area of the label. The "SNR" is the spatial mean gwc divided by the spatial stddev gwc, probably not very useful On 05/17/2017 01:43 PM, Yaakub, Siti Nurbay

[Freesurfer] Mean gray-white contrast for each ROI

2017-05-17 Thread Yaakub, Siti Nurbaya
Hi, I read from a previous post that the "{lh,rh}.w-g.pct.stats files in $SUBJECTS_DIR/subject/stats … will have the mean gray-white contrast for each ROI in the aparc." I've looked at the lh.w-g.pct.stats file and am not sure which values I should be looking at if I am interested in the ratio