Near Death Experience = REM pattern. So how to explain an out of body experience [OBE]?

The Kentucky researchers believe that NDEs are actually REM intrusions triggered in the brain by traumatic events like cardiac arrest. If this is true, then this means the experiences of some people following near-death are confusion from suddenly and unexpectedly entering a dream-like state.
OBE's: by electrically stimulating the angular gyrus, a part of the temporal parietal junction in the brain, a doctor can induce OBEs.OBEs are controlled by a region of the higher brain, which is clinically dead when NDEs occur. What's more, it seems logical to believe that the higher brain must still function in order to interpret the sensations produced by the REM intrusion triggered in the brain stem.

SHOOT: This implies that spiritual or religious experiences are really experienced in our brains.

clipped from science.howstuffworks.com In 1991, Atlanta, Ga. resident Pam Reynolds had a near-death experience (NDE). Reynolds underwent surgery for a brain aneurysm, and the procedure required doctors to drain all the blood from her brain. Reynolds was kept literally brain-dead by the surgical team for a full 45 minutes. Despite being clinically dead, when Reynolds was resuscitated, she described some amazing things. She recounted experiences she had while dead -- like interacting with deceased relatives. Even more amazing is that Reynolds was able to describe aspects of the surgical procedure, down to the bone saw that was used to remove part of her skull [source: Parker]. It is estimated that as many as 18 percent of people who have been resuscitated after cardiac arrest have reported a near-death experience. A brain-dead person should not be able to form new memories -- he shouldn't have any consciousness at all, really. So how can anything but a metaphysical explanation cover NDEs?