PSYC 1000 Chapter 8: Readings for Quiz 8

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Benjamin Giguere

Document Summary

Motivation, concerns the physiological and psychological processes underlying the initiation of behaviours that direct organisms toward specific goals. Homeostasis, the body"s physiological processes that allow it to maintain consistent internal states in response to the outer environment. Allostasis, motivation is not only influenced by current needs, but also by the anticipation of future needs. Hunger involves physiological responses as well as cognitive and emotional factors: hypothalamus plays a role the on and off switches. Influenced by hormones that are released in response to the energy needs of your body: also monitors the blood chemistry for indicators of the levels of sugars and hormones involved in energy. Satiation, the point in a meal when we are no longer motivated to eat: neurons release cck (cholecystokinin) when the intestines expand the ventromedial hypothalamus receives this info and decreases appetite. Note: several parts of the brain are involved when we are motivated to eat, not just the hypothalamus.