The opposite of this concept is intrinsic motivation. Rather than performing a task to gain rewards or avoid punishment from someone else, a person experiencing intrinsic motivation does an activity for how it will enrich them on an intangible level. The rewards one gets in this framework are self-generated: pride, sense of accomplishment, enjoyment, rising to a challenge. These kinds of rewards, quite simply, feel better and have more personal meaning than a paycheck or a grade