This book addresses the challenges in the differential diagnosis and management of paroxysmal movement disorders. It provides the latest information on the genetics and pathophysiology, neurophysiology and neuroimaging of the core group of disorders in the field, namely the paroxysmal dyskinesias (PxD). Focused and concise, this guide features chapters that discuss other conditions that may be paroxysmal such as, episodic ataxia, startle syndromes and other more complicated groups of paroxysmal movement disorders such as ATP1A3 spectrum disorders. A chapter on secondary (acquired) paroxysmal dyskinesia highlights medical and other disorders that may result in paroxysmal dyskinesia. The book features a particularly nuanced chapter that discusses recent discoveries