VOLUNTARY INTRAGASTRIC FEEDING - ORAL AND GASTRIC CONTRIBUTIONS TO FOOD INTAKE AND HUNGER IN MAN

4 male undergraduates controlled ingestion of liquid diet orally or intragastrically by activating a pump. When the pump rate was constant, intragastric intakes were comparable to oral intakes. Assessed the relative contributions of oral and gastric factors in short-term regulation of food intake. Ss overate when fed simultaneously by the oral and intragastric routes. Ss did not respond to caloric dilution within 1 meal when ingesting intragastrically. When 3 Metrecal meals a day were taken intragastrically for 2 days, Ss ingested an adequate amount of calories and maintained their weights. (15 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1969 American Psychological Association.