By electrical brain stimulation can change mood and behavior, according to researchers from the University of California (Los Angeles). They talk about how new technologies will help in the psychological rehabilitation of patients with depression, and survivors of serious stress.
In the experiment scientists have typed two groups of volunteers. In the first stage, the study participants were shown videos in which a person is pricked by a needle in the arm. Still the subjects were first asked to experience emotions by copying them from pictures. All the time the brains of volunteers were scanned using the MRI machine.
Next, the experiment participants played with each other in economic games. So find areas of brain responsible for altruism and generosity. Working on them, you can change the mood and make people more generous and kind.