If someone experiences multidimensional realms of complexity and energy, maniac and unbelievable creativity and beyond that the enigma of an unexpressable singularity of light and love, it will be explained by science as an illusion caused by altered brain chemistry. So to say: the reality of an illusion.
Defining consiousness as emergent function of neurons in the sense of a hardcore-materialism is not that significant.
What is awareness? What is the difference to the notion consiousness? Are both simply functions of living brains? How can a brain create such an immaterial thing?
You eat what you are.