Your brain hallucinates your conscious reality
Ted Talk by neuroscientist Anil Seth. The brain processes the outer world via the senses, then organizes it and projects that organization back on to the world. Perception itself is an active, constructive process. It is a controlled hallucination. Reality is just an agreed upon hallucination. And so is the perception of our self a controlled hallucination.
The Ted Talk is a summary of this talk below. It is an hour long and packed with info.