From a biomedical perspective, a migraine is a common, chronic and intermittently disabling neurovascular disorder.
The presence of aura is a very common type of migraine. Migraine with aura as sporadic hemiplegic migraine. (In this case it can get triggered by certain foods, certain odours, bright light, too little or too much sleep, physical exertion, stress or minor head trauma.) Hemiplegic migraine presents with motor weakness at times, symptoms that occur just before the headache, like hallucinations, numbness, changes in speech, visual changes.