I think these 'out-of-body' and other transcendtal experiences are finding their explanation in the area of investigation called variously 'bio-theology' or 'neuro-theology'. In essence, the experience is real in its sensations, but takes place entirely within one's own mind.
Here's a thread link on the topic:
Biotheology
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semantics is not always just pedantic quibbling. ~ douglas r. hofstadter
