Earl Nightingale, Albert Einstein, Nikola Tesla, and Stephen Hawking all said the same thing about the brain, albeit using different nuances. Have you read John Kehoe's book "Quantum Warrior: The Future of the Mind"? If you're interested in the topic of the brain being an emitter and receiver of frequency, you'll love this book. Dr. Joe Dispenza has also published several articles on this topic.
RE: What is Consciousness?