In about one-third of cases,a sensory warning sign precedes a migraine.This warning sign is called a(n)

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A sensory warning sign that precedes a migraine is called an aura. This can include visual disturbances, such as seeing flashing or flickering lights, or experiencing tingling, numbness, or difficulty speaking. It is estimated that about one-third of people with migraines experience an aura before the onset of the headache.

In About One-Third of Cases,a Sensory Warning Sign Precedes a Migraine.This