GEO 509 Lecture Notes - Lecture 8: Hard Wired, Hypothalamus, Myoglobin
22 Nov 2017
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People no longer have the same eating habits or times as people in the last century. About 20% of people in britain maximum, who eat at the same time. Where does the actual impulse come from: we are hard wired to eat, but not hard wired to eat certain things. We are not genetically programmed to eat certain foods. Panda bears cannot poison themselves: they eat bamboo, they eat eucalyptus. Hypothalamus is the part of our brain that tells us when we are hungry. Same part of the brain that controls aggression. Wants us to seek out things that give us pleasure. Looking for fats and sweets: ex. It is a chemical that is found in the brains of happy people: loaded with p. e. a, which is rewarding. What we like and what we don(cid:495)t like is a complex matter. Too much of a good thing is not always a good thing: you might get sick of it.
