PSYCH101 Chapter Notes - Chapter 11: Human Sexual Response Cycle, Binge Eating, Orgasm

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Paul Wehr

Document Summary

Hunger and eating (module 11. 1) concerns the physiological and psychological processes underlying the initiation of behaviours that direct organisms toward specific goals. Motivation is not only influenced by current needs, but also by the anticipation of future needs drive (p. 445) Physiological aspects of hunger the (cid:862)o(cid:374)(cid:863) a(cid:374)d (cid:862)off(cid:863) s(cid:449)it(cid:272)h for hu(cid:374)ger is found in hypothalamus. The activity of the hypothalamus is influenced by hormones that are released in response to the energy needs of your body. Neurons release cck when the intestines expand. A number of different brain areas are involved when we are motivated to eat (not just hypothalamus) We developed bodies that were hard-wired to like some foods more than others. Ghrelin is a hormone secreted in the stomach that stimulates stomach contractions and appetite. Attention and eating unit bias (p. 448) the tendency to assume that the unit of sale or portioning is an appropriate amount to consume. Ex) dinner host encouraging guests to eat more.