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In this video I describe how hunger is turned on (the orexigenic signal) and off (the anorexigenic signal) and how hormones and other cues influence motivation to eat. The lateral hypothalamus is involved in turning on hunger, while the ventromedial hypothalamus is involved in signaling satiety. Other hormones such as ghrelin, leptin, and insulin also influence motivation to eat, in addition to other cues like visual stimuli.

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Need more explanation? Check out my full psychology guide: Master Introductory Psychology: http://amzn.to/2eTqm5s