Fig. 2

Human provocation studies investigating migraine aura. *Healthy controls as comparison; **placebo; ***no comparison. GTN, glyceryl trinitrate; CGRP, calcitonin gene-related peptide; CZL, Cilostazol; ET-1, Endothelin-1; LEVC, levcromakalim; SD, Sildenafil. MA, migraine aura exclusively; MA/MO, migraine aura, but not exclusively migraine aura; FHM, familial hemiplegic migraine (unknown mutations); FHM1, familial hemiplegic migraine with known mutations (R583Q and C1369Y mutations); FHM2, familial hemiplegic migraine with known mutations (R202Q and R763C mutations)