The neurophysiology of migraine covers different topics. Neurophysiological testing is usually not necessary to diagnose migraine but may be helpful in case of atypical aura symptoms or migraine presentation. The neurophysiological evaluation is able to detect some features of the migrainous brain (excitability, adaptation and sensitization) that may shed some light on migraine pathophysiology and, possibly, on drug treatment. Finally, the neurophysiological evaluation of the vestibular system is useful for the diagnosis of vestibular migraine.
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