PSYC401 Lecture Notes - Nucleus Accumbens, Affective Neuroscience, Self-Actualization
Document Summary
Homeostasis: the bodys tendency to maintain the conditions of its internal environment by various forms of self regulation. Drive: a term referring to a state of internal bodily tension, such as hunger or thirst or the need for sleep. Thermoregulation: the process by which organisms maintain a constant body temperature. Set point: a general term for the level at which negative feedback tries to maintain stability. Glucoreceptors: receptors in the brain, that detect the amount of glucose in the bloodstream. Leptin: a chemical produced by the adipose cells that seem to signal that plenty of fat is stored and that no more fat is needed. Neuropeptide y npy: a chemical found widely in the brain and periphery. In the brain, it acts as a neurotransmitter; when administered at sites in and near the hypothalamus, it is a potent elicitor of eating. Body mass index bmi : the commonly used measure of whether someone is at a healthy weight or not;
