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Auras can warn patients with epilepsy, allowing them to avoid hazardous situations when seizures progress to impair consciousness or motor control. In this study, researchers examined the frequency and characteristics of auras in three large registries of epilepsy patients from Denmark, Norway, and the U.S. Using a structured interview, they surveyed 1897 patients with partial or generalized epilepsy about the presence and features of auras.
Overall, 31% of patients reported auras; 39% of these had active epilepsy. Only 6% of the full cohort had more than one type of aura. Nonspecific auras were most common, occurring in 35% of patients; somatosensory (11%), vertiginous (11%), focal motor/dystonic (8%), and formed visual (8%) auras were also…