Reply To: roiwise stats January 23, 2017 at 3:42 pm #636 sychoiParticipant When you use BrainSuiteAtlas1: ROI#701 is the left ventricle. ROI#720 is the right ventricle. When you use BCI-DNI_brain atlas: ROI#720 is the right and ROI#721 is the left sorry for the confusion.