Fig. 1
From: Mechanisms of migraine as a chronic evolutive condition
Migraine is cyclic disorders with a complex sequence of symptoms within every headache attack. In its episodic form, migraine is characterised by recurrent attacks involving different phases, with a complex sequence of symptoms within every phase. Significant advances have been made in characterising migraine as a brain disorder and in identifying evolutive functional changes in different brain areas during the different phases of a migraine attack