Atheists, I want to know your explanation for these Out of body experiences?

[Ravenshire]

You've got some scientific studys I'm unaware of? Please, enlighten me.

https://www.google.com/webhp?sourceid=ch...rain+death

There are a few links to studies, but it's not as clear cut as I had thought, tbh.

Unfortunately misuse of terminology has conflated Coma, persistent vegetative state and brain death to a degree. When the terminologies are properly applied, brain death is exactly that, and there's no coming back from it. Further, the use of life support equipment to keep the body processes functioning further clouds the issue.
The diagnosis of brain death

While it looks like there's been some advancements using cryo to lower body temperatures and prolong the period during which something can be done, once the brain is dead...