Pain-related SEP and fMRI one month after cardiac arrest. Left side: Three bilateral SEP channels: Fpz - C3'/C4', left Erb's/right Erb's - C3'/C4', Fpz - right Erb's/left Erb's. Note the presence of the N20/P25 cortical potential. Right side: Four fMRI scans at 99% sensitivity during the 50 mAmp electrical stimulation. No single brain area was activated at 50 mAmp.