Migraine is a complex neurovascular disease characterised by episodic attacks of severe headache accompanied by autonomic and neurological symptoms. Two types of migraine have been identified: (1) common migraine, or migraine without aura, occurring in about 70% of migraine patients (migraineurs); (2) classic migraine, or migraine with aura. In the latter case, aura symptoms are usually manifested as visual hallucinations such as flashing lights, zig-zag lines or blind spots, although sensory and motor dysfunction may also occasionally occur.peer-reviewe
