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The Seattle Times Extra Copyright © 1997 The Seattle Times Company
Wednesday, Oct. 29, 1997

Brain region may be linked to religion

by Robert Lee Hotz
Los Angeles Times

NEW ORLEANS - No one knows why humanity felt its first religious stirrings, but researchers at University of California at San Diego reported yesterday that the human brain may be hard-wired to hear the voice of heaven, in what researchers said was the first effort to address the neural basis of religious expression.

In an experiment with patients suffering from an unusual form of epilepsy, researchers at the UC San Diego brain and perception laboratory found that the parts of the brain's temporal lobe - which the scientists quickly dubbed the "God module" - may affect how intensely a person responds to religious beliefs.

People suffering this type of seizure have long reported intense mystical and religious experiences as part of their attacks but also are unusually preoccupied with mystical thoughts between seizures. That led this team to use these patients as a way of investigating the relationship between the physical structure of the brain and spiritual experiences.

In a carefully designed experiment, the researchers found that one effect of the patients' seizures was to strengthen their brain's involuntary response to religious words, leading the scientists to suggest a portion of the brain was naturally attuned to ideas about a supreme being.

"It is not clear why such dedicated neural machinery . . . for religion may have evolved," the team reported yesterday at a meeting of the Society for Neuroscience in New Orleans. One possibility, the scientists said, was to encourage tribe loyalty or reinforce kinship ties or the stability of a closely knit clan.

The scientists emphasized that their findings in no way suggest that religion is simply a matter of brain chemistry. "These studies do not in any way negate the validity of religious experience or God," the team said. "They merely provide an explanation in terms of brain regions that may be involved."

Until recently, most neuroscientists confined their inquiries to research aimed at alleviating the medical problems that affect the brain's health, and to attempts to fathom its fundamental neural mechanisms. Emboldened by their growing understanding of how the brain works, however, scientists are now investigating the relationship between the brain, human consciousness and a range of intangible mental experiences.

Craig Kinsely, an expert in psychology and neuroscience at the University of Richmond in Virginia, called the new study "intriguing."

"People have been tickling around the edges of consciousness, and this sort of research plunges in," Kinsely said. "There is the quandary of whether the mind created God or God created the mind. This is going to shake people up, but (any conclusion) is very premature."

Vilayanur Ramachandran, the senior scientist involved in the experiment and the director of the center for brain and cognition at UC San Diego, said, "We are skating on thin ice. We are only starting to look at this.

"The exciting thing is that you can even begin to contemplate scientific experiments on the neural basis of religion and God."

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