August 29th, 2007, 01:53 PM
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#3 (permalink)
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Moderator
Join Date: Jan 1970
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testing posts
Experts have found a way to trigger an out-of-body experience in volunteers.
The experiments, described in the Science journal, offer a scientific explanation for a phenomenon experienced by one in 10 people.
Two teams used virtual reality goggles to con the brain into thinking the body was located elsewhere.
The visual illusion plus the feel of their real bodies being touched made volunteers sense that they had moved outside of their physical bodies.
The researchers say their findings could have practical applications, such as helping take video games to the next level of virtuality so the players feel as if they are actually inside the game.
Clinically, surgeons might also be able to perform operations on patients thousands of miles away by controlling a robotic virtual self.
Teleported
For some, out-of-body experiences or OBEs occurs spontaneously, while for others it is linked to dangerous circumstances, a near-death experience, a dream-like state or use of alcohol or drugs.

Through these goggles, the volunteers could see a camera view of their own back - a three-dimensional "virtual own body" that appeared to be standing in front of them.
When the researchers stroked the back of the volunteer with a pen, the volunteer could see their virtual back being stroked either simultaneously or with a time lag.
The volunteers reported that the sensation seemed to be caused by the pen on their virtual back, rather than their real back, making them feel as if the virtual body was their own rather than a hologram.
Volunteers
Even when the camera was switched to film the back of a mannequin being stroked rather than their own back, the volunteers still reported feeling as if the virtual mannequin body was their own.
And when the researchers switched off the goggles, guided the volunteers back a few paces, and then asked them to walk back to where they had been standing, the volunteers overshot the target, returning nearer to the position of their "virtual self".
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