Here is the first book to provide a comprehensive overview of the clinical, pathological, and research aspects of motor neuron disease (MND). The text contains all essential features of the anatomy, physiology, pharmacology and toxicology of the motor system, a full description of MND and its variants, as well as historical developments and a review of the current concepts and controversies. This book comes at a time of increasing interest in neurodegenerative disorders and MND in particular. It will prove a key reference book with an integrated overview of the field, and will be indispensable to practicing neurologists, researchers, and all those with an interest in MND.