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Visual observation of patients is crucial in the diagnosis of movement disorders. Such observation can be subject to many pitfalls. The powerful lessons in this case-based book will help the reader appreciate diagnoses missed or wrongly attributed, movements difficult to characterize, tests inappropriately ordered or interpreted, and treatments incorrectly chosen or dosed. The wisdom of hindsight thus generated becomes an invaluable and enduring lesson. Organized in nine chapters according to the categories of errors and oversights, each case conveys a specific set of clinical pearls on...

This book emphasizes treatment options for Parkinson's disease, providing the necessary clinical and scientific basis for the foundations of solid therapeutics.

Slowness of movement ("bradykinesia") is the most important deficit in Parkinsons disease (PD). Current clinical rating of bradykinesia in PD does not separate the dimensions of slowness and amplitude reduction. We categorized patterns of movement in PD patients on a biaxial classification of speed and amplitude using an electromagnetic tracking device (Polhemus) seeking to determine whether these categories may differentially contribute to motor impairment and disability. Motor impairment was worst in patients with very impaired amplitude and best in patients with normal ...