M
2010-01-26 07:19:40 UTC
Basically a study has shown a similar pattern in a group of people's brain waves right before death.
"It's possible a cutoff of oxygen would trigger a similar but recoverable event that becomes seared into memory.
"Not everyone reports this light sort of business. What you hear most often reported (in near-death experiences) is just a vivid memory," Chawla said.
Brain researcher Kevin Nelson at the University of Kentucky, who studies near-death experiences, said it's well known that when the brain is abruptly deprived of blood flow it gives off a burst of high voltage energy."