Book excerpt: "Neurology is a quantitively small corner of medicine that, increasingly, occupies a position of outsized importance and distinction in both the practice of medicine and in the health and well-being of society. The Decade of the Brain came into public awareness in 1990 as an initiative of president George W. Bush involving the NIH and NIMH "to enhance public awareness of the benefits to be derived from brain research"(1). In the intervening 20 years since 1999, we have seen significant increases in understanding the myriad of neurological diseases that confront society"--