Run selxavg3-sess with -svres. This will create a new folder called
"eres" in the output analysis directory where the residuals will be
stored. Assuming that you have mapped your data to fsaverage space, you
can then create a post cing label (mri_annotation2label) and then use
mri_segstats with --slabel fsaverage lh /path/to/postcing.label --id 1
--avgwf avgwf.dat
The avgwf file will have the time course you want
On 7/30/16 2:40 AM, ERIK JAHNER wrote:
> Dear Freesurfer experts
>
> I have been going through the documentation trying to figure out how to
> extract the time series for an ROI (Posteriorcingulate) after removing the
> regressors that I put in my mkanalysis-sess. I have run the selxavg3.
> 1. Is this time course what is in the meanfunc.nii.gz?
> 2. If it is, how do I pull this out in matrix format (.mat) out of the where
> I basically get one mean adjusted value for the ROI at each timepoint? (e.g.
> For the Posteriorcingulate, I want 210 values representing the mean
> activation after removing the effect of my covariates wm and css for each of
> the 210 timepoints).
> 3. Is this information in the X.mat file? If so, what is its location?
>
> Thanks
> Erik Jahner
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