The immunology of the gastrointestinal system -- The enteric nervous system -- Microbial regulation of gastrointestinal immunity in health and disease -- Roles of substance P in gastrointestinal functions and neuroimmune interactions -- Immunomodulation by vasoactive intestinal polypeptide (VIP) -- Helicobacter pylori, experimental autoimmune encephalomyelitis, and multiple sclerosis -- Stress and the gastrointestinal system -- Nutrition, macrobiotics and the brain neuroinflammatory response -- Guillain-Barré syndrome and Campylobacter jejuni enteritis -- Gut microbiota: a possible role in the pathogenesis of multiple sclerosis -- Intestinal parasites and immunomodulation in neuroinflammatory disease -- Neurological complications of anti-TNF treatments and other neurological aspects of inflammatory bowel disease -- Intestinal bacterial antigens, toxin-induced pathogenesis and immune cross-reactivity in neuromyelitis optica and multiple sclerosis -- Targeting immunomodulatory agents to the gut-associated lymphoid tissue -- The neuroimmunology of gluten intolerance -- The neurology of autoimmune pernicious anaemia (subacute combined degeneration) -- The impact of multiple sclerosis on gastrointestinal system function -- The neurology of Whipple's disease.