Try relaxing, close your eyes, unfocus your eyes while closed, this will help to eliminate thoughts. Keep that state of mind and images will start to flow in.
When you see the images, come out and write it down in detail, or draw them if you wish. You can re-enter without problem and you will have a lot of information on the page. Your data will be stronger towards the end.
I think that our brains are still too complex for us to simulate, and I know a little about medical stuff. We are also creators and astral voyage. I might be wrong, but I think that viewing is natural and from the Big Guy. That is what I was told There was an awareness of the big guy. I just want him to be nice. My last time here.