TY - CHAP M1 - Book, Section TI - Motivation, Reward, and Addictive States A1 - Kandel, Eric R. A1 - Koester, John D. A1 - Mack, Sarah H. A1 - Siegelbaum, Steven A. PY - 2021 T2 - Principles of Neural Science, 6e AB - ONE DAY A CHEETAH, TAKING REFUGE from the mid-day sun in the shade of a tree, views a distant antelope with apparent indifference. Later in the afternoon, the sighting of the antelope provokes immediate orienting and stalking behavior. The stimulus is the same, but the behavioral responses are very different. What has changed is the motivational state of the animal. SN - PB - McGraw Hill CY - New York, NY Y2 - 2022/05/19 UR - accessbiomedicalscience.mhmedical.com/content.aspx?aid=1180644742 ER -