William says: "According to Zurich University researchers, a snort of oxytocin will make you continue to trust people who have betrayed you. Their intended use is to help social phobics trust good people. But marketroids everywhere are surely already looking into how they can get some. Expect it to be on offer in aerosol form by 2012, combined with a warm cookie scent."
Previous studies have shown that participants in "trust games" took greater risks with their money after inhaling the hormone via a nasal spray.
In this latest experiment, published in the journal Neuron, the researchers asked volunteer subjects to take part in a similar game.
They were each asked to contribute money to a human trustee, with the understanding that the trustee would invest the money and decide whether to return the profits, or betray the subject's trust by keeping the profit.
The subjects also received doses of oxytocin or a placebo via a nasal spray.
After investing, the participants were given feedback on the trustees. When their trust was abused, the placebo group became less willing to invest. But the players who had been given oxytocin continued to trust their money with a broker.
"We can see that oxytocin has a very powerful effect," said Dr Baumgartner.
"The subjects who received oxytocin demonstrated no change in their trust behaviour, even though they were informed that their trust was not honoured in roughly 50% of cases."
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