Physiopathology of cephalic pain: where are we?

Cephalic pain and psychiatric disease physiopathology is one of the most elusive issues in medical research, and the cause might be common. Going through the possible reasons of the failure in understanding the physiopathology of these diseases might be helpful to project new studies that might overcome the difficulties encountered and thus open a window on cephalic pain and psychiatric disease. New approaches to psychiatric disease might be applied to cephalic pain.