PSY 205 Study Guide - Quiz Guide: Ghrelin, Leptin, Palatability

• School: Syracuse University
• Department: Psychology
• Course: PSY 205
• Professor: Dr. Shannon C. Houck

Document Summary

Chapter 9 quiz study guide: drive (walter cannon"s): a hypothetical, internal state of tension that motivates an organism to engage in activities that should reduce this tension. Observation that organisms seek to maintain homeostasis, a state of physiological equilibrium or stability. Contemporary theories of hunger focus more of neural circuits that pass-through areas of the hypothalamus rather than on anatomical centers in the brain: brain and hormonal regulations: Ghrelin: causes stomach contractions to promote hunger. Cckl delivers satiety signals to the brain, reducing hunger when food is consumed. It appears that a constellation of metabolic and neuroendocrine processes works to resist weight loss. The adaptive mechanisms that tent to maintain a fairly stable body weight suggest that everyone may have a set point for weight. As predicted by parental investment theory, they found that women placed a higher value than men on potential part(cid:374)er"s status, a(cid:373)(cid:271)ition and financial prospects.