How God Changes Your Brain - Andrew Newberg, M. D_ [1]
—ALBERT EINSTEIN, THE HUMAN SIDE
1
WHO CARES ABOUT GOD?
Prelude to a Neurological and
Spiritual Revolution
God.
In America, I cannot think of any other word that stirs up the imagination more. Even young children raised in nonreligious communities understand the concept of God, and when asked, will willingly draw you a picture—usually the proverbial old man with the long hair and a beard. As children grow into adults, their pictures of God often evolve into abstract images of clouds, spirals, sunbursts, and even mirrors, as they attempt to integrate the properties of a reality they cannot see. In fact, the more a person thinks about God, the more complex and imaginative the concept becomes, taking on unique nuances of meaning that differ from one individual to the next.
If you contemplate God long enough, something surprising happens in the brain. Neural functioning begins to change. Different circuits become activated, while others become deactivated. New dendrites are formed, new synaptic connections are made, and the brain becomes more sensitive to subtle realms of experience. Perceptions alter, beliefs begin to change, and if God has meaning for you, then God becomes neurologically real. For some, God may remain a primitive concept, limited to the way a young child interprets the world. But for most people, God is transformed into a symbol or metaphor representing a wide range of personal, ethical, social, and universal values. And, if you happen to be a neuroscientist, God can be one of the most fascinating of human experiences to explore.
THE SCIENCE OF GOD
For the past fifteen years I have investigated the neural mechanisms of spirituality with the same fervor that a minister contemplates God. Some religious rituals do nothing more than relax you, others help to keep you focused and alert, but a few appear to take practitioners into transcendent realms of mystical experience where their entire lives are changed.
Our research team at the University of Pennsylvania has consistently demonstrated that God is part of our consciousness and that the more you think about God, the more you will alter the neural circuitry in specific parts of your brain. That is why I say, with the utmost confidence, that God can change your brain. And it doesn't matter if you're a Christian or a Jew, a Muslim or a Hindu, or an agnostic or an atheist.
In Why God Won't Go Away, I demonstrated that the human brain is uniquely constructed to perceive and generate spiritual realities.1 Yet it has no way to ascertain the accuracy of such perceptions. Instead, our brain uses logic, reason, intuition, imagination, and emotion to integrate God and the universe into a complex system of personal values, behaviors, and beliefs.
But no matter how hard we try, the ultimate nature of the universe continues to elude our brain. So the bigger questions remain. Where does life originate, where does it end, and what ultimate purpose does it serve? Is there a spiritual reality, or is it merely a fabrication of the mind? If there is a God, does such an entity reach out to us like the hand that Michelangelo painted on the ceiling of the Sistine Chapel? Or is it the other way around: Does our mind reach out to embrace a God that may or may not be real?
Neuroscience has yet to answer such questions, but it can record the effect that religious beliefs and experiences have upon the human brain. Furthermore, it can tell us how God—as an image, feeling, thought, or fact—is interpreted, reacted to, and turned into a perception that feels meaningful and real. But neuroscience cannot tell you if God does or doesn't exist. In fact, as far as we can tell, most of the human brain does not even worry if the things we see