Out-of-body experiences have already been studied quite extensively by the airforce, where such experiences have led to a number of accidents or near accidents. RadioLab did a nice piece on this a while back. Give it a listen: <a href="http://www.radiolab.org/story/91527-out-of-body-roger/" rel="nofollow">http://www.radiolab.org/story/91527-out-of-body-roger/</a>