PS102 Lecture Notes - Lecture 14: Genetic Predisposition, Premarital Sex, Binge Eating
Document Summary
Set point theory-the weight the body maintains when one is not trying to gain or lose weight. Normal levels of body fat are between 22 and 26. Setling point: equilibrium idea, but can re-set if long period of change. Anorexia nervosa: an overwhelming, irraional fear of gaining weight or becoming fat, compulsive dieing to the point of starvaion, and excessive weight loss. A chronic disorder characterized by repeated and controlled episodes of binge- eaing. Good for many funcions- biological needs but not sex or some other needs. Arousal- a persons a state of alertness and mental and physical acivaion. Arousal theory: people are moivated to maintain an opimal level of arousal. The opimal level is diferent for all of us. Simulus moives: curiosity, exploraion, play occur when arousal is low. Not basic need (would not die without it) Masters and johnson 1960s: excitement phase, 2.
