PSY100H1 Chapter 9: Psy100h1 Textbook notes chapter9 part2
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PSY100H1 Full Course Notes
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Don t try to achieve too many things at same time (why new years resolutions fail!) If dopamine system revs up engine, frontal lobes act as brakes. We eat not because we have deficient energy stores but because it is time to eat. What we eat is determined by culture and personal experience. Neophobia: fear of new things. e. g. avoidance of unfamiliar foods. Taste cues process in prefrontal cortex, reward value. Damage to limbic system or right frontal lobes produces gourmand syndrome, people become obsessed with fine food and preparation. Don t become overweight though, obsession is with not with eating but with quality of food. Stomach contractions are relatively minor determinants of hunger and eating. At end of each stomach contraction felt pang of hunger. Glucostatic theory: specialized glucose receptors called glucostats monitor the extent to which glucose is taken up into cells to be used for energy. Injections of glucose in bloodstream can postpone eating.
