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Medical Forum / General / General / August 2007

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Out of body experiences due to visual/touch disconnect

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habshi - 27 Aug 2007 12:13 GMT
    Explains Jesus and other religious fundamentalists like
Mohammed being 'taken' to heaven . Probably fasting brings on this
disconnect.

excerpt bbc.co.uk

Their work suggests a disconnection between the brain circuits that
process visual and touch sensory information may thus be responsible
for some OBEs.

In the Swiss experiments, the researchers asked volunteers to stand in
front of a camera while wearing video-display goggles.



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".

Dr Henrik Ehrsson, who led the UCL research, used a similar set-up in
his tests and found volunteers had a physiological response -
increased skin sweating - when they felt their virtual self was being
threatened - appearing to be hit with a hammer.

Dr Ehrsson said: "This experiment suggests that the first-person
visual perspective is critically important for the in-body experience.
In other words, we feel that our self is located where
hari.kumar@indero.com - 27 Aug 2007 14:05 GMT
"        Explains Jesus and other religious fundamentalists like
Mohammed being 'taken' to heaven . Probably fasting brings on this
disconnect."

What then explains flying monkies building bridges over oceans?

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