The Neurobiology of the Gilles de la Tourette Syndrome and Chronic Tics, Part B, Volume Four reviews historical background, current nosology and guidelines. In addition, it includes an overview of pathophysiology, ranging from its genetic basis and changes in neurochemistry and electrophysiology to widespread neural circuits. Specific chapters cover The genetic basis of Gilles de la Tourette Syndrome, Genome-wide association study of Tourette Syndrome, De Novo mutations in Tourette Syndrome, Animal models for Tourette Syndrome, The neural-immune crosstalk in Tourette syndrome: from immunobiology to epistemology, Functional connectivity in the Gilles de la Tourette Syndrome, and much more.