A behavior chart is a type of reward system for keeping track of a kid's actions and choices that you like. It is one way to reinforce the good behavior a child displays and encourage patterns ...

For especially obnoxious behavior, the child's school may go to a point system as well. Of course, for serious behavioral problems, star charts and rewards are not in themselves enough.

In the human brain, the hormone insulin also acts on the most important neurotransmitter for the reward system, dopamine. Insulin lowers the dopamine level in a specific region of the brain ...