Book excerpt: The clearest, most concise coverage of one of the most complex topics in medicine—updated with the latest advances in the field Doody's Core Titles for 2021! Clinical Neurology, Eleventh Edition, provides a comprehensive overview of basic and clinical neurology in a concise, digestible format. It links clinical neuroscience to current approaches for accurately diagnosing and effectively treating neurologic disorders. Covering all the advances in molecular biology and genetics, this popular guide emphasizes history-taking and neurologic examination as the cornerstones of diagnosis. All information is thoroughly up-to-date and presented as a practice-oriented approach to neurology based on the patient's presenting symptoms or signs. Features: 350+ tables and figures Chapter outlines providing overview of each topic Treatment protocols reflecting the most recent advances in the field Step-by-step review of the neurologic examination