cannula (model C313G, Plastics One, Roanoke, VA) aimed towards the lateral cerebral ventricle (1.2 mm caudal to bregma, 1.5 mm | cannula (model C313G, Plastics One, Roanoke, VA) aimed towards the lateral cerebral ventricle (1.2 mm caudal to bregma, 1.5 mm |