The Departments of Neurological Surgery and Neurology will host a joint grand rounds session on Thursday, October 28 from 8 to 9 a.m. in the Lois Pope LIFE Center, seventh-floor auditorium. David Liebeskind, associate neurology director of the UCLA Stroke Center, neurology director of the UCLA Stroke Imaging Program, and co-medical director and co-technical director of the Cerebral Blood Flow Laboratory, will present “Collateral Perfusion in Acute Ischemic Stroke.” The University of Miami Leonard M. Miller School of Medicine designates this educational activity for a maximum of 1 AMA PRA Category 1 Credit. Physicians should only claim credit commensurate with the extent of their participation in the activity.