Hi Rick,
It would be fine to mark the electrodes in orig space and then just transform them to Talairach.
I will carry out this new procedure.
I actually need to get the coordinates of the electrode in MNI space, but I have never used MNI before. I found the following info in a thread on the message board to go from Talairach to MNI.
3dWarp -matvec_out2in mni_fsl2tal.1D -prefix dset_mni dset+tlrc
Does this sound right?
Christine
