Quote:
Originally posted by CamChicks
There is a part of the brain known as the angular gyrus which controls the way the brain analyzes sensory information to give us a perception of our own bodies and where we are in relation to other objects in the environment. If that part of the brain momentarily misfires and sends faulty information, the result can be a feeling of floating outside of yourself. Sort of like losing a few packets of data while transfering them over a network, the image becomes corrupted.
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I should add that trauma, loss of blood, epilepsy, or any number of things may trigger this phenomenon. As with the 'tunnel' and 'white light', this is just another example of a physical organ (your brain) failing under stress.