If you’ve ever prayed so hard that you’ve lost all sense of a larger world outside yourself, that’s your parietal lobe at work. If you’ve ever meditated so deeply that you’d swear the very boundaries of your body had dissolved, that’s your parietal too. There are other regions responsible for making your brain the spiritual amusement park it can be: your thalamus plays a role, as do your frontal lobes. But it’s your parietal lobe — a central mass of tissue that processes sensory input — that may have the most transporting effect.

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But it’s also true that our brains and bodies contain an awful lot of spiritual wiring.

Dr. Andrew Newberg, a professor of radiology, psychology and religious studies at the University of Pennsylvania and co-founder of Penn’s Center for Spirituality and the Mind. “The way the brain works is so compatible with religion and spirituality that we’re going to be enmeshed in both for a long time.”

When people engage in prayer, it’s the frontal lobes that take the lead, since they govern focus and concentration. During very deep prayer, the parietal lobe powers down, which is what allows us to experience that sense of having loosed our earthly moorings. The frontal lobes go quieter when worshippers are involved in the singular activity of speaking in tongues — which jibes nicely with the speakers’ subjective experience that they are not in control of what they’re saying.

Pray and meditate enough and some changes in the brain become permanent. Long-term meditators — those with 15 years of practice or more — appear to have thicker frontal lobes than nonmeditators. People who describe themselves as highly spiritual tend to exhibit an asymmetry in the thalamus — a feature that other people can develop after just eight weeks of training in meditation skills.

Newberg describes a cancer patient whose tumors shrank when he was given an experimental drug, grew back when he learned that the drug was ineffective in other patients and shrank again when his doctor administered sterile water but said it was a more powerful version of the medication. The U.S. Food and Drug Administration ultimately declared the drug ineffective, and the patient died.

Those who never attend religious services have twice the risk of dying over the next eight years as people who attend once a week.

Source: Time Magazine

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