PSY 430 Lecture Notes - Lecture 11: Endoplasmic Reticulum, Leptin, Ghrelin
Document Summary
D: high levels of leptin do not necessarily decrease hunger, people may be obese because they are less sensitive to leptin. Some people are obese because of a genetic inability to produce leptin. I: the production of leptin in the body has shown not to have serious effects on decreased hunger. E: puberty is triggered by a certain level of leptin during adolescence. D: obesity caused by consistent overeating damages the endoplasmic reticulum in neurons of the hypothalamus which leads to decreased leptin sensitivity. I: obesity has shown to damage the endoplasmic reticulum of hypothalamus neurons which can increase hunger due to decreased leptin sensitivity. E: physical exercise produces chemicals of the immune system that repair the endoplasmic reticulum. D: information from all parts of the body regarding hunger impinge onto the arcuate nucleus - the arcuate nuclei is a part of the hypothalamus. I: hunger information is directed into the brain towards the arcuate nucleus.
