"in teaching clinicians around the world about the various facets of dbs for many years, we have found there to be a need for a concise but comprehensive practical guide for clinicians interested in becoming involved with, or who are already involved in, using dbs for their patients. thus, this book was created to serve as a practical reference - a "go to" guide to be kept in the clinic and consulted in the course of managing patients being considered for or treated with dbs. we designed this book to address in a clear, comprehensive, and yet concise manner all of the key topics pertaining to use of dbs for clinicians. the first edition of this book focused on the use of dbs to treat movement disorders and was extremely well received in the united states and internationally. the second edition provided updates and added dedicated chapters on the treatment of epilepsy and psychiatric disorders with dbs, as well as a new chapter focused on interventional mri approaches to dbs lead implantation. in this new third edition, we've updated the content, included the latest information on new dbs devices, and expanded information on a broader scope of conditions that may benefit from treatment with dbs. we begin with a practical discussion of how to implement a dbs program. we then turn to surgical aspects, including new approaches to dbs lead implantation. following this, we outline the neurophysiological principles of dbs, discuss the clinical aspects of dbs generally and for specific movement disorders, and then turn to the emerging indications of epilepsy, psychiatric conditions, and other disorders. finally, we end with a comprehensive discussion of troubleshooting"--