"The researchers included Mathias Pessiglione of the Institute of Neurology at University College London and the Universite Pierre et Marie Curie in Paris."

"Before the experiment began, participants saw three pictures on a computer screen. One picture showed a British pound coin. Another picture showed a British penny. The third image was an abstract graphic design."

"Next, the researchers gave participants a hand grip and told them to practice squeezing the grip as hard as possible."

"Finally, the participants watched the computer screen as either the pound or penny coin briefly replaced the abstract graphic design."

"The penny or pound coins flickered on the screen for less than a second. Sometimes, participants quickly glimpsed the coin and saw whether it was a pound or a penny."

"But usually, the coins were subliminal images, vanishing so quickly that participants
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