The United States Congress designated the 1990's as the "Decade of the Brain" in recognition of the importance of neuroscience to the health and well-being of Americans. It has been suggested that as many as 20% of all patients seeking medical treatment have neurologic problems, either as the presenting complaint or as an associated condition complicating the primary illness. To this end, it is important that physicians understand basic neuroscience principles and nervous system diseases. Of course, this text is not encyclopedic but instead is an outline of the knowledge required of all...