Part 1 Introductory issues: Satiation, satiety: Concepts and organization of behaviour; Quantifying satiation and satiety. Part 2 Biological factors: Peripheral mechanisms of satiation and satiety control; Genetics of satiety; Metabolism and satiety. Part 3 Food composition factors: Impact of energy density and portion size on satiation and satiety; Protein and satiety; Fats and satiety; Carbohydrates and satiety; Satiation, satiety: The puzzle of solids and liquids; Functional foods, satiation and satiety. Part 4 Hedonic, cultural and environmental factors: Hedonics, satiation and satiety; Satiation, satiety and the daily intake pattern; Sensory specific satiation and satiety. Part 5 Public health implications: The low satiety phenotype; Satiation and satiety in obesity; Bringing satiety to the market through commercial foods: Technology, product development and claims; Consumer understanding of satiation and satiety and related health claims; How important are satiation and satiety for weight regulation? The control of eating: Is there any function for satiation and satiety?