PS102 Lecture Notes - Lecture 14: Premarital Sex, Human Sexual Response Cycle, Sampling Bias
Document Summary
Excessive eating/inadequate exercise: you eat more than you burn, there is a tremendous number of empty calories available to us in. Anorexia nervosa: an overwhelming, irrational fear of gaining weight or becoming fat, compulsive dieting to the point of starvation, and excessive weight loss. Anorexia nervosa has a large psychological component to it. Anorexia is just a lack of eating not psychological. Bulimia nervosa: a chronic disorder characterized by repeated and uncontrolled episodes of binge-eating. A need gives rise to an internal state of tension called a drive, and the person or organism is motivated to reduce it. This is based on the idea that we try to maintain homeostasis, which is a balanced internal state: we like to be in the middle, we like to be balanced. Good for many functions biological needs but not sex or some other needs. Arousal: a person"s state of alertness and mental and physical activation.
