Revue Neurologique 2021 Sep;177(7):765-772.doi: 10.1016/j.neurol.2021.07.012. Epub 2021 Aug 9. L-M Terrier, D Fontaine Abstract Understanding intracranial nociceptive innervation is essential to understand the pathophysiology of headaches. Our knowledge about human intracranial nociception comes from sparse observations during neurosurgical procedures performed in