Scientists have figured out a way to induce out-of-body experiences - by using cameras to fool people into thinking they are standing somewhere else in the room.

“The brain can trick itself, and when it is trying to interpret sensory information, the image it produces doesn’t have to be a real representation,” says Henrik Ehrsson, of the Institute of Neurology, University College London, UK, who designed the first experiment.

To trick his subjects, Ehrsson had them wear a head-mounted display that showed them footage of themselves filmed from behind, while preventing them from seeing anything else. He then used a plastic rod to prod the subject in the chest and simultaneously held a second rod in front of the camera behind them, to make it seem that the illusory “person” viewed from behind was being prodded in the chest too.

Subjects physically felt themselves being prodded, but also had the weird sensation that it was their alter ego in the film footage being prodded. “It gives you a very strong sensation you’re sitting somewhere else,” Ehrsson said at a press conference held in London.

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