This is a prospective multicenter study of Chinese population. Participants (normal individuals without migraine and migraineurs) are included after standardized diagnostic procedures (TCD and migraine diagnosis). For all the participants, brain MRI and c-TCD are required. Up to 10-15 study sites nationwide will be needed to recruit the planned participant population during a 1-year period.
The information of each participants will be registered, including basic facts, the longitudinal headache history, frequency, location, quality, intensity, duration, accompanied symptoms, precipitating and exacerbating factors, with or without aura, and Headache Impact Test-6 (HIT-6) questionnaire.
