Aura is a term used to describe a neurological symptom of migraine, most commonly visual disturbances. People who experience ‘migraine with aura’ will have many or all the symptoms of a ‘migraine without aura‘ and additional neurological symptoms which develop over a 5 to 20 minute period and last less than an hour.

The term aura describes any neurological disturbance that appears shortly before or during the development of migraine headaches. Migraine with aura is a common type of migraine.

Reference : by Tiho P and Jens P. Dreier, https://www.migrainetrust.org/about-migraine/types-of-migraine/migraine-with-aura/  july 4th,2019