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Papers of the Week
Aura phenomena do not initiate migraine attacks-Findings from neuroimaging.
Authors
Mehnert J, Fischer-Schulte L, May AAbstract
As cortical spreading depolarization (CSD) has been suggested to be the cause of migraine aura and as CSD can activate trigeminal nociceptive neurons in animals, it has been suggested that CSD may be the cause of migraine attacks. This raises the question of how migraine pain is generated in migraine attacks without aura and has led to the hypothesis that CSD may also occur in subcortical regions in the form of “silent” CSDs, and accordingly “silent auras”.