Movement disorders in neurologic disease are increasingly recognized across a wide range of disturbances of muscle tone and muscle control including: Parkinson's, Ataxia, Spasmodic Dysphonia, Huntington's disease, and many more, all covered here in this, the first book of its kind in neurogenics of communication disorders.All of these conditions can impact the motor control systems and frequently affect the linguistic and cognitive systems as well. This book helps readers in understanding each condition by presenting everything the practitioner needs to deal with the specialized skills of assessment and intervention. Coverage of each disorder includes an overview, the signs and symptoms, the genetics, effects on communication and swallowing, risk and protective factors, treatment decision-making, and much more. Furthermore, the authors provide valuable information on the medical aspects of each condition, enabling a level of understanding that will essure multidisciplinary professional communication and the planning and implementation of efficient strategies of intervention.Supported by numerous graphs, figures, clinical photographs, and case studies, this unique book is an essential addition to the armory of the neurogenics and swallowing clinics.