1. Diagnosis of dystonia / Howard L. Geyer and Susan B. Bressman -- 2. Epidemiology of dystonia / Meike Kasten, Anabel R. Chade, and Caroline M. Tanner -- 3. Overview of the genetic forms of dystonia / Thomas T. Warner and Susan B. Bressman -- 4. Pathophysiology of dystonia / Su Kanchana and Mark Hallett -- 5. Functional imaging in primary dystonia / Maren Carbon-Correll, Kotaro Asanuma and David Eidelberg -- 6. DYT1 dystonia / Laurie J. Ozelius and Susan B. Bressman -- 7. Other primary generalized dystonias / Antonio E. Elia -- 8. Cervical dystonia / Cynthia L. Comella -- 9. Cranial dystonia / Dirk Dressler and Fereshte Adib Saberi -- 10. Writer's cramp, limb dystonia, and other task-specific dystonias / Jorg Muller and Werner Poewe -- 11. Laryngeal dystonia / Christy L. Ludlow -- 12. Dystonia-plus syndromes / Thomas Gasser, Friedrich Asmus, and Christoph Kamm -- 13. Secondary and heredodegenerative dystonia / Yvette M. Bordelon and Steven J. Frucht -- 14. Drug-induced and tardive dystonia / Mark J. Edwards and Kailash P. Bhatia -- 15. Paroxysmal dyskinesias / Pablo Mir, Susanne A. Schneider and Kailash P. Bhatia -- 16. Psychogenic dystonia / Martin Cloutier, Tamara Pringsheim, and Anthony E. Lang -- 17. Drug therapy of torsion dystonia / Paul Greene -- 18. Botulinum toxin / Ronald Tintner and Joseph Jankovic -- 19. Surgery for dystonia / Joachim K. Krauss and Thomas J. Loher -- 20. Role of the physiotherapist / Jean-Pierre Bleton -- 21. Role of the specialist dystonia nurse / Marianne King -- 22. Dystonia and quality of life / Stefan J. Cano and Thomas T. Warner -- 23. Dystonia rating scales / Stefan J. Cano and Thomas T. Warner.