1. Regulation of gastric secretion : neural mechanisms / Frank P. Brooks -- 2. Regulation of gastric secretion : humoral mechanisms / N.W. Bunnett and J.H. Walsh -- 3. Neural models of the control of food intake / Donald Novin -- 4. Humoral mechanisms in the control of eating and body weight / Gerard P. Smith -- 5. Function of opioid peptides in the brain and gut / Allen S. Levine and John E. Morley -- 6. Central nervous system action of neuropeptides to induce or prevent experimental gastroduodenal ulcerations / Yvette Tache -- 7. Opioid, [alpha subscript 2]-noradrenergic and adrenocorticotropin systems of hypothalamic paraventricular nucleus / Sarah Fryer Leibowitz -- 8. The functional bowel disorders / Herbert Weiner -- 9. Peptic ulcer disease : are some regulatory disturbances acquired during postnatal development? / Sigurd H. Ackerman -- 10. Discontrol of appetite and satiety : social and psychological factors in obesity : what we don't know / C. Peter Herman -- 11. The regulation of body weight and the treatment of obesity / Albert J. Stunkard