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In this short volume the author has described concisely and clearly a number of observations on the neurophysiology of the digestive tract. His first chapter deals with the specific nature of the gastric motility producing hunger and thus contrasts hunger with the more general bodily sensation appetite. Factors which enhance and diminish the objective hunger contractions are emphasized. In the second chapter he discusses the dependence of thirst on localized dryness in the pharynx and points to lines of evidence from which one is led to conclude that thirst is largely dependent on failure of salivation. The sensation of thirst as it is found after acute hemorrhage, during the postprandial period and in acute crises of anxiety is explained on this basis.
The third chapter deals with the role of the two principal divisions of the autonomic nervous system in maintaining the tonus of the smooth musculature of the gastro-intestinal
Digestion and Health.. Arch NeurPsych. 1938;39(4):884. doi:10.1001/archneurpsyc.1938.02270040240019