The document defines motivation and discusses different theories and approaches to motivation. Motivation is defined as the reasons for people's behaviors and goals. It can come from basic needs, desires, and ideals. Maslow's hierarchy of needs organizes human motivations from basic physiological needs to safety, love, esteem and self-actualization. Intrinsic motivation comes from internal desires while extrinsic motivation comes from external factors. Drugs can also affect brain systems related to motivation and cause addiction by hijacking these systems. The benefits of motivation include need satisfaction, job satisfaction, productivity, learning and discipline.