[Mne_analysis] order of labels after morphing

[Linda Douw]

Hi all,

I'm using mne_morph_labels to use labels from individual subjects in
fsaverage5 space, and then extract the time series per label using
mne_compute_raw_inverse:

mne_morph_labels --from fsaverage5c --to subject --labeldir
/fsaverage5/label/parc/

mne_compute_raw_inverse --picknormalcomp --inv inv.fif --in subj.fif
--labeldir /label/parc/subject/ --noextra --orignames --out output.fif
--labellist sum.txt

NB I use labels that were created by subdividing the FreeSurfer aparc.

When I now read in the resulting file with matlab (after mne_raw2mat) and
check MNE_raw_info.ch_names, the labels seem to be in a random order. For
instance, the lh and rh are not in the same order. How is this order
determined?

It does seem to be consistent across subjects. When extracting these
labels the same way, but in subjects' native space, the order of the
labels is identical across hemispheres and is equal to the FreeSurfer
order.

Thanks for any suggestions!

-- 
Linda Douw, Ph.D.

Research fellow

Department of Radiology
Athinoula A. Martinos Center for Biomedical Imaging
Massachusetts General Hospital
Harvard Medical School
149 13th Street
Charlestown, MA 02129