I highly recommend this groundbreaking book, the physics of CONSCIOUSNESS about the Quantum Mind that ancient shamans knew intuitively and utilized for healing.

https://www.amazon.com/Physics-Consciousness-Quantum-Mind-Meaning/dp/0738204366/ref=sr_1_1_twi_pap_1?s=books&ie=UTF8&qid=1505066354&sr=1-1&keywords=evan+harris+walker