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THE GASTRIC MOVEMENTS IN HUNGER The detailed experimental analysis to which the physiology of hunger has been subjected by Cannon of Harvard and Carlson of Chicago has revealed a large number of facts of immediate import made doubly valuable because in many instances they were ascertained or controlled on man. It is now clear that the sensation of hunger, or the "hunger pang," is due to periodic contractions of the empty stomach rather than to some less definite temporary nutritive condition or state of the blood. We have already commented1on the further fact that the hunger contractions can be controlled. All stimuli that act on the end-organs of taste and general sensation in the mouth cavity, as for example in the case of chewing palatable food during hunger, reflexly inhibit these gastric movements. In searching for the actual cause of the hunger contractions of the empty stomach, the
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