1. Headache--classification / Marcelo E. Bigal and Richard B. Lipton -- 2. The epidemiology and impact of migraine / Richard B. Lipton and Marcelo E. Bigal -- 3. Progressive headache : epidemiology, naturalhistory, and risk factors / Ann I. Scher -- 4. Comorbidity of migraine / Nancy C.P. Low and Kathleen Ries Merikangas -- 5. Pain sensitivity : intracranial and extracranial structures / Todd D. Rozen -- 6. Pathophysiology of aura / M. Sanchez del Rio and U. Reuter -- 7. Pathophysiology of Migraine / Peter J. Goadsby -- 8. Allodynia and sensitization in migraine / William B. Young, Avi Ashkenazi, and Michael L. Oshinsky -- 9. Genetics of migraine and other primary headaches / Gisela M. Terwindt. [et al.] -- 10. Identification or exclusion of secondary headaches / Randolph W. Evans and R. Allan Purdy -- 11. Differential diagnosis of primary headaches : an algorithm-based approach / Richard B. Lipton and Marcelo E. Bigal -- 12. Diagnostic and severity tools for migraine / Marcelo E. Bigal and Richard B. Lipton -- 13. Migraine without aura / Fred Sheftell and Roger Cady -- 14. Migraine with aura / Malene Kirchmann Eriksen and Jes Olesen -- 15. Childhood periodic syndromes / Vincenzo Guidetti. [et al.] -- 16. Retinal, or ''monocular,'' migraine / Brian M. Grosberg and Seymour Solomon -- 17. Status migrainosus, persistent aura, migraine-associated seizures (''Migralepsy''), and migrainous infarction / Jessica Crowder, Curtis Delplanche, and John F. Rothrock -- 18. Principles of headache management / Marc S. Husid and Alan M. Rapoport --

19. Behavioral and educational approaches to the management of migraine : clinical and public health applications / Kenneth A. Holroyd -- 20. Nonspecific migraine acute treatment / Abouch Krymchantowski and Stewart J. Tepper -- 21. Specific acute migraine treatment : ergotamine and triptans / Hans-Christoph Diener and Volker Limmroth -- 22. Preventive treatment for migraine / Stephen D. Silberstein -- 23.Herbal medicines and vitamins / Jean Schoenen and Delphine Magis -- 24. Treatment of migraine in children and adolescents / Paul Winner -- 25. Inpatient management and invasive treatment strategies for migraine and chronic daily headaches / Frederick G. Freitag -- 26. Migraine in the emergency department / Merle Diamond and Benjamin W. Friedman -- 27. Progression forms of migraine / Marcelo E. Bigal and Richard B. Lipton -- 28. The future of migraine therapies / Todd Schwedt and David Dodick -- 29. Tension-type headache / Rigmor Jensen -- 30. Trigeminal autonomic cephalgias / David Dodick -- 31. Other primary headaches / Lawrence C. Newman, Susan W. Broner, and Christine L. Lay -- 32. When the treatment of headache fails / Richard B. Lipton and Marcelo E. Bigal.