Scientists have discovered how to make people less selfish - at least temporarily - by stimulating two areas of their brain.
In a new study carried out at the University of Zurich, 44 volunteers were asked to decide how to split an amount of money between themselves and an anonymous partner.
During the experiment, an electrical current was applied to the frontal and parietal areas of the brain - situated at the front and towards the back. When these areas were stimulated at the same time, the participants gave away more money.
"The effects were not huge, but they're consistent," said Prof Christian Ruff, one of the lead authors who carried out the experiments.
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