Kaye W H, Weltzin T E, McKee M, McConaha C, Hansen D, Hsu L K
University of Pittsburgh, School of Medicine, Department of Psychiatry, Western Psychiatric Institute and Clinic, PA 15212.
Am J Clin Nutr. 1992 Feb;55(2):372-80. doi: 10.1093/ajcn/55.2.372.
We have designed a human-feeding laboratory to be used to study feeding behavior in patients with eating disorders. Twenty-one normal-weight bulimic subjects consumed 29.711 +/- 39.940 MJ (range 0.862-178.632 MJ; 7101 +/- 9546 kcal, range 206 to 42,694 kcal) in 24 h. In comparison, 11 healthy volunteer women, when instructed to eat ad lib for 48 h, ate 7.715 +/- 2.590 MJ (1844 +/- 619 kcal) during the first 24 h and 7665 +/- 1828 MJ (1832 +/- 437 kcal) during the second 24 h. Bulimics and control subjects had a similar number of eating intervals (6.6 +/- 2.6 vs 5.0 +/- 1.7); 72% of the bulimic subjects' meals were similar in size to the meals of the controls [167-4100 kJ (40-980 kcal)] but these meals were higher in carbohydrate and lower in fat in bulemic patients. Excessive caloric intake by bulimic subjects was because 28% of their meals were very large [range 4.427-28.150 MJ (1058-6728 kcal)]. Data gathered in a laboratory setting appears to be a reasonable replication of naturalistic feeding and suggest that such a laboratory may prove useful for future studies of feeding behaviors in humans.
我们设计了一个人体进食实验室，用于研究饮食失调患者的进食行为。21名体重正常的贪食症受试者在24小时内摄入了29.711±39.940兆焦耳（范围0.862 - 178.632兆焦耳；7101±9546千卡，范围206至42,694千卡）。相比之下，11名健康的志愿者女性在被指示随意进食48小时的情况下，在第一个24小时内摄入了7.715±2.590兆焦耳（1844±619千卡），在第二个24小时内摄入了7665±1828兆焦耳（1832±437千卡）。贪食症患者和对照组的进食次数相似（6.6±2.6对5.0±1.7）；72%的贪食症患者的餐量与对照组相似[167 - 4100千焦（40 - 980千卡）]，但贪食症患者的这些餐食碳水化合物含量较高，脂肪含量较低。贪食症患者摄入过多热量是因为他们28%的餐量非常大[范围4.427 - 28.150兆焦耳（1058 - 6728千卡）]。在实验室环境中收集的数据似乎合理地复制了自然进食情况，并表明这样的实验室可能对未来人类进食行为的研究有用。
