The spirit-body dualism has been the favored model for explaining the discrepancies between thought and biological systems since the days of Descartes in the West and the days of Gautama in the East. It is the notion that the atomic/molecular model must account for thought that it is the breech-birth here, intellectually, and the hard sell.
Measuring brain activity during OOB or dreaming tells you know more about the seat and ownership of consciousness than does the measure of CFM of water into an estate tell you who is bathing whom. The metric has no connection with the substantive, experiential moment. Only the Who of the house can do that. I am oversimplifying. But then, so are you.