New research conducted in mice identifies a neural pathway crucial to both depression and addiction. Can we treat these problems by simply manipulating this pathway?
The pleasure and reward system is one of the most important systems governed by the brain.
It spurs us to enjoy the activities that have contributed to our survival as a species, such as eating, drinking, and having sex, so that we feel motivated to pursue them.
The activity of the reward system, however, is also a key factor in various types of addictive behavior.