The Yerkes-Dodson Law suggests that there is a relationship between performance and arousal. Increased arousal can help improve performance, but only up to a certain point. At the point when arousal becomes excessive, performance diminishes.
Yerkes and Dodson concluded that increasing stress and arousal levels could help to focus motivation and attention onto a particular task, but only up to a certain point—then it became ineffective. In modern psychology, this is known as the Yerkes-Dodson Law .
The alimentary canal (also called the digestive tract) is the long tube of organs including the esophagus, the stomach, and the intestines that runs from the mouth to the anus.
