03 Motivation for Food, Drugs and Sex Book Notes

03 Motivation for Food, Drugs and Sex Book Notes -...

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Motivation for Food, Drugs and Sex Book Notes Book Notes Reward Intracranial self-stimulation (ICSS) – rats would pleasure themselves. Dopamine signals reward critical in motivation and emotion. Nucleus accumbens – activation of dopamine neurons in the nucleus accumbens . More dopamine is released under intense situations Drugs seek to activate dopamine receptors How is Eating Influenced? Time, taste, sensory specific satiety (can eat more varied foods as they appeal to different nutritional needs) Culture and personal experience – cultural taboos such as bugs. Multiple Neural Processes Control Eating Hypothalamus combines inhibitory and excitatory feeding messages and organizes behaviors involved with eating. Gourmand syndrome – fine foods, focus on quality and preparation Glucostatic theory – specialized glucose receptors (glucostats) monitor the extent to which glucose is taken up into the cells so it can be used for energy. Because glucose is the primary fuel for metabolimsm and is especially crucial for neuronal
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03 Motivation for Food, Drugs and Sex Book Notes -...

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