Intensity dependence of auditory evoked potentials during light interference in migraine

► Migraine patients are diagnosed by clinical markers according to the ICHD-II classification. ► Migraineurs may differ in clinical manifestations and response to treatment. ► Migraineurs show a higher Intensity Dependence of Auditory Potentials than controls. ► We investigated a group of migraineurs with similar clinical characteristics. ► We identified two subgroup of migraineurs, by their electrophysiological behaviour. ► This results was obtained by interference of visual stimulation on IDAP.