PSYCH 1XX3 Lecture Notes - Lecture 9: Neuropeptide Y, Glycogen, Limbic System
11 Oct 2018
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Document Summary
Seeking out food and drink is a fundamental goal-directed behaviour because your body needs regular nourishment to function optimally. But food and drink is not only about surviving, its about living. Food and drink bring family and friends to share and experience life together. Life is dominated by the consumptions of food and drink. During most of the human evolutionary past, food sources were scarce and behaviours were motivated by the constant need to obtain energy and nutrients essential to survival. In present context these evolutionarily driven behaviours may now seem out of place. Feeding behaviours may be motivated by hunger and satiety signals, but are guided by th interaction of the senses of taste and smell. There are many signals and complex interactions between the brain and the digestive system that drive your feelings of hunger and satiety signals which lead you to stop consumption.
