| Theory | Its Big Idea |
|---|---|
| Driv | Physiological needs (such as hunger and thirst) create an aroused state that drives us to reduce the need (for example, by eating or drinking). |
| Arousal theory | Our need to maintain an optimal level of arousal motivates behaviors that meet no physiological need (such as our yearning for stimulation and our hunger for information). |
| Maslow’s hierarchy of needs | We prioritize surviva |