By D. A. Booth (Eds.)
This choice of reports attracts jointly present knowing on neurophysiological methods to ingestive behaviour in mammals. The ebook introduces to non-specialists the neural techniques that mediate consuming and ingesting behaviour, concentrating on the 2 parts of study that jointly are the major to knowing how the mind organizes ingestion and certainly the other kind of behaviour. at the one hand, the sensible strategies in the mind can in basic terms be elucidated with assistance from details supplied by way of recording job of unmarried nerve cells. nonetheless, the behaviour equipped by means of interactions between neurones in terms of the surroundings can in simple terms be understood through experimental research of the cognitive approaches which remodel built-in sensory info into greater motor keep watch over. hence, this publication considers the association of ingestive acts and resultant nutritional choice and intakes throughout the senses of contact, style, scent, and sight and through the mechanical and chemical stimulation of the digestive tract and metabolic indications from the liver. the hole and shutting chapters define constructing conceptions of the operation of the behavioural and neural platforms as a complete in coordinating the influence of the inner and exterior environments on those different sensory modalities into the customarily refined functionality of eating applicable quantities of fit for human consumption and potable fabrics
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Additional resources for Neurophysiology of Ingestion
Neuroscience Letters, 72, 69-73. Tsai T. L. (1958). A histological study of the sensory nerves in the liver. Acta Neurovegetica, 17, 354-385. Weatherford, S. C. and Ritter, S. (1988). Lesion of vagal afferent terminals impairs glucagoninduced suppression of food intake. Physiology and Behavior, 43, 645-650. Weick, B. G. and Ritter, S. (1986). Dose-related suppression of feeding by intraportal glucagon infusion in rats. American Journal of Physiology, 250, 676-681. 1. Introduction THE autonomic nervous system (ANS) plays an important role in some of the most elementary mechanisms of nutrition (regulation of digestive tone and the storage and propulsion of nutrients, for example) as well as in more complex mechanisms involved in homeostasis and alimentary behaviour.
3. Control of homeostasis The digestive afferents contribute to maintaining stability of the internal envi ronment such as via regulation of the blood levels of insulin or glucose. Intestinal glucoreceptors trigger a rapid release of insulin which precedes secre tion due to the arrival of glucose in the pancreas. This is a true reflex which is mainly mediated by the vagal nerves (Me'i et ai, 1981). Intestinal glucoreceptors yield precise preabsorptive information about the availability of glucose.
Deutsch, J. , Young, W. G. and Kalogeris, T. J. (1978). The stomach signals satiety. Science, 201, 165-166. Fitz, J. O. and Scharschmidt, B. F. (1987). Regulation of transmembrane electrical potential gradient in rat hepatocytes in situ. American Journal of Physiology, 252, G56-G64. Friedman, M. (1991). Metabolic control of calorie intake. In. Μ. I. Friedman, M. G. Tordoff and M. R. ), Chemical Senses, Volume 4: Appetite and Nutrition (pp. 19-38). New York: Marcel Dekker. Glasby, M. A. (1974). Hepatic osmo-receptors?