OverviewOne theory of the cause of migraine is a central nervous system (CNS) disorder. The CNS consists of the brain and spinal cord. In migraine, various stimuli may cause a series of neurologic and biochemical events which affect the brain's vascular system.
Update Date 1/5/2016
Updated by: Joseph V. Campellone, MD, Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.