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Joe Loizzo, M.D., Ph.D.

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Faces, Voices and the Brain-Heart Brake: The Divine Science of Tibet

Posted: 05/06/2012 9:00 am

How can a face launch a thousand ships? Why do lullabies quiet an infant's cries? Must we be mystics to "still our beating hearts"? Over millions of lifetimes, we mammals evolved a range of special neural structures that have equipped us for an increasingly social life. Three of these help resolve a puzzle that has long stumped modern science: Why do archetypal images, prayers and gestures exert a stubborn hold even on scientifically schooled minds? Breakthroughs in the neuroscience of empathy, emotions and our conscious control of the breath have radically changed our view of our nature, helping explain the stubborn power of spiritual imagery, prayers and ritual.

The newest layer of brain behind our foreheads, called the prefrontal cortex, includes "mirror neurons" and other elements that help us read and imitate the facial expressions, vocal tones and bodily actions of others. These same neurons form "resonance circuits" with deeper brain layers that call up in our own hearts the emotions we read behind others' body language. Other parts of this newest cortex, unique to humans, allow us to exert a higher degree of control over bodily functions and primal emotions, helping us integrate neural functions around a conscious intention. Beyond just "reading minds," this new layer of brain allows us to tune our mindset, motivation and actions to meet those of others, sustaining higher social forms of life based largely on communication and teamwork.

The second special structure is a network of two-way links joining prefrontal areas with our emotional processing centers in the inner brain layer we share with the oldest mammals. Called the limbic cortex or "ring-like covering" since it arches like a ring over the core brain we share with reptiles, this inner layer of neurons holds the older half of the resonance circuits that support empathy and our higher control of motivation. Recently, we've learned that this network empowers us to consciously shift from reactive emotions like fear, rage and shame into proactive emotions like trust, care and love, a shift our newer cortex needs to support our full capacities for social engagement. This network is keyed into our ability to read the facial, vocal and bodily language of others' moods, and in turn influences and is influenced by our own face-voice-body expressions.

Finally, there's a missing link connecting the muscles of our face, voice, inner ear and breath to our reptilian core brain and the primal life-support centers of the brainstem. As our amphibious ancestors became the first mammals, the nerves that used to serve gill arches morphed into new "cranial" nerves linking our facial, vocal, auditory and respiratory muscles to our brainstem. One of these was a new branch of the ancient nerve that controls breathing, digestion, excretion and reproduction. Called the "vagus" or "wanderer" because it works to sense and regulate most of our internal organs, this nerve also counters the fight-flight reflex and supports our ability to relax the body, calm breathing and put a "brake" on heart rate. The new branch of this nerve only we mammals have, dubbed the "smart vagus," lets us consciously control breathing and also networks with the nerves repurposed for social expression, to feedback on our basic life support rhythms and bodily tone. It's thanks to the smart vagus, plus the new hormones oxytocin and vasopressin it releases, that our fears melt, our breathing slows, and our hearts calm when we recognize the face, voice and gestures of a loved one.

What does all this have to do with religious symbols and rituals? However social our brains have grown, nothing in the 70 million years it took for them to evolve could have possibly prepared them for the unnatural conditions that emerged in the eye-blink of civilization. Our pre-historic ancestors knew too well that our natures straddle the fence between higher social capacities and the reptilian self-protective instincts mammals needed to survive in the wild. Soon, they also learned that familiar masks, chants and dances helped us stretch our circle of kinship and tip the balance of our capacities in ways that helped adapt us to ever larger, more complex social groups. This is why the world religions that spread with civilization were set up like extended human families, to revolve around remembering the image, words and deeds of universal, model ancestors.

Of course, this strategy for cultivating our social brains had limits: fostering a childlike dependence on religious leaders, symbols and rituals; and developing a mindset of exclusivity that led religions to clash not merge. This is partly why the Buddha's mission to extract spiritual psychology, meditation and ethics from orthodox religions and forge them into a contemplative science of happiness has attracted so much recent interest. But the distinction between Buddhism and more familiar religions blurs when it comes to the richly symbolic Buddhism of Tibet.

Not only does Tibetan Buddhism revolve around close mentoring bonds that remind us of bonds to imams, priests and rabbis, but its practice involves archetypal images, prayer-like affirmations, ritual gestures and an ecstatic tone that seem more like old-time religion than meditative practice. Leaving aside how this tradition relates to more familiar forms of Buddhism, I see it as a natural expression of Shakyamuni's mission. Just as Freud made minstering to the soul a science-based practice and Jung made religious imagery a psychotherapeutic art, so the Process Oriented "Tantric" Buddhism of Tibet makes a contemplative science of spiritual mentoring, archetypal imagery and altered states of communion.

While the science of Jung's day could not support his claim that archetypal imagery helps prime positive social emotions and neural energy, we now know he was right all along. And he was also ahead in his interest in the role-modeling imagery and transformational arts of Tibet. Now that brain science has helped explain the natural power and social benefits of spiritual imagery, affirmation and gestures, I predict we will see the next wave of interest in meditation turn to the "divine science" of Tibetan Buddhism.

 
 
 
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Pole
retired professor of History, Comparative Religion
01:29 PM on 05/06/2012
Bravo. We are now learning that Eastern Psychology, much older than Western Psychology, holds answers based on Eastern religions and Eastern wisdom, also much older than its Western counterparts. A Western Canadian Neuroscientist named Penfield was the first one I encountered who, by touching an exposed brain with electrical probes, could deduce that the human brain is not the same as the human mind. The implications follow that consciousness is not stored in specific brain cells but floats around the brain. Upon exposing brains in some young people suffering from water on the brain at birth, English scientists were able to view brains mostly empty with brain cells pressed against the brain walls. Those people led normal lives with no apparent loss of function or intelligence. Modern brain research is now focused on consciousness in relation to brain activity. The more we learn, open to what the East has known for many centuries, the more we realize the human brain is a vessel, not a source.
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HUFFPOST SUPER USER
Bob Metcalfe
Caught at 1st. slip trying to cut
02:32 AM on 05/07/2012
Older don't mean wiser. That argument won't work for eastern medical systems either :-).
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HUFFPOST SUPER USER
George Genung
08:48 AM on 05/07/2012
Can you please post the British studies?
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HUFFPOST SUPER USER
George Genung
09:35 AM on 05/07/2012
Found them :
http://www.pwsdots.org/ResearchNotes/Plasticity
Note, nothing mystic or spiritual here.
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ILoveTheUSofA
BREAKING NEWS: There is no God.
11:47 AM on 05/06/2012
Loizzo says, "While the science of Jung's day could not support his claim that archetypal imagery helps prime positive social emotions and neural energy, we now know he was right all along."

So he wants us to believe that Jung claimed something or other and that science has now proven the claim to be correct.

But does he give us even ONE single quote or reference from Jung so we could see for ourselves whether Jung ever made such a claim? No.

And does he give us give us even ONE single quote or reference from any neuroscientist so we could see for ourselves whether science now supports the claim? No.

Part of the habit of a scientist is to provide references, so that others can check and verify for themselves our statements as to what others have said or demonstrated.

Is Loizzo really presenting "divine science" - or merely divine pseudoscience?

See for yourself how many characteristics of pseudoscience you can find in his essay:

4 Identifying pseudoscience

4.1 Pseudoscientific concepts
4.2 Use of vague, exaggerated or untestable claims
4.3 Over-reliance on confirmation rather than refutation
4.4 Lack of openness to testing by other experts
4.5 Absence of progress
4.6 Personalization of issues
4.7 Use of misleading language

http://en.wikipedia.org/wiki/Pseudoscience

I find every single one of them.
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08:24 PM on 05/06/2012
Thanks for the list. Add to that the Tibetan Buddhists might be surprised to learn that what they have to offer is "learning to feel good."
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HUFFPOST BLOGGER
Joe Loizzo, M.D., Ph.D.
03:02 PM on 05/10/2012
Sorry, due to limits of space suggested by Huffington, I chose to edit out my references to fellow clinicians and scientists whose work supports my conclusions, including Richie Davidson's (2012) work on meditation, neural plasticity and emotion, Dr. Dan Siegel's (2006) work describing the implications of research the prefrontal cortex, and Dr Stephen Porges (2011) work on polyvagal theory. If you're really curious all the scientific research supporting my inferences can be found in my book, Sustainabke Happiness, which has roughly 50 pages of references and a 20 page bibliography locating my work in light of current neuroscience, health science and psychotherapy. Please do follow some of these leads if you'd like more hard science. Best, Joe Loizzo
11:08 AM on 05/06/2012
Spirituality and science do seem to compliment each other. I wonder how spirituality will trend in the future.
08:34 PM on 05/07/2012
I call it the Age of Vibration, a time where science and ancient wisdom merge in a powerful way. http://www.healthy-heart-meditation.com/spiritual-science.html