NDEs and similar experiences are a very personal experiences.
Here it goes my limited opinion on the subject:
In order to share those kind of deep spiritual experiences, hard work -and time- is required. We need to 'digest' the experience.
It seems that our brain, or earthly concepts, *tries* to assimilate the experience.
But our limited human nature often mixes old dogmatic stuff with the real spiritual experience. Don't you think?
"The more I know my brain, the more I love my dog." :D
My brain is useful to put a DVD on the DVD player, and many other earthly things. But when we speak about the soul...