Definition
Aura is a transient disturbance in neurological function that may precede an attack of migraine headache. These disturbances usually last 20–30 minutes, but may persist for as long as 1 hour. The classical migraine aura that precede attacks in about 30% of migraine sufferers is visual, and characterized by an arc of brightly colored lights that flicker and change shapes. These visual disturbances often surround an area of dimmed or absent vision.
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© 2007 Springer-Verlag Berlin Heidelberg
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(2007). Aura. In: Schmidt, R., Willis, W. (eds) Encyclopedia of Pain. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-29805-2_326
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DOI: https://doi.org/10.1007/978-3-540-29805-2_326
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-43957-8
Online ISBN: 978-3-540-29805-2
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