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Near-death experiences are 'electrical surge in dying brain'

Near-death survivors have reported seeing bright white lights and having out-of-body experiences

A surge of electrical activity in the brain could be responsible for the vivid experiences described by near-death survivors, scientists report.

A study carried out on dying rats found high levels of brainwaves at the point of the animals' demise.

US researchers said that in humans this could give rise to a heightened state of consciousness.

The research is published in the Proceedings of the National Academy of Sciences.

The lead author of the study, Dr Jimo Borjigin, of the University of Michigan, said: "A lot of people thought that the brain after clinical death was inactive or hypoactive, with less activity than the waking state, and we show that is definitely not the case.

"If anything, it is much more active during the dying process than even the waking state."

Consciousness

From bright white lights to out-of-body sensations and feelings of life flashing before their eyes, the experiences reported by people who have come close to death but survived are common the world over.

However, studying this in humans is a challenge, and these visions are little understood.

To find out more, scientists at the University of Michigan monitored nine rats as they were dying.

In the 30-second period after the animal's hearts stopped beating, they measured a sharp increase in high-frequency brainwaves called gamma oscillations.

These pulses are one of the neuronal features that are thought to underpin consciousness in humans, especially when they help to "link" information from different parts of the brain.

In the rats, these electrical pulses were found at even higher levels just after the cardiac arrest than when animals were awake and well.

Dr Borjigin said it was feasible that the same thing would happen in the human brain, and that an elevated level of brain activity and consciousness could give rise to near-death visions.

Neurons in the brain may go into overdrive around the point of death

"This can give us a framework to begin to explain these. The fact they see light perhaps indicates the visual cortex in the brain is highly activated - and we have evidence to suggest this might be the case, because we have seen increased gamma in area of the brain that is right on top of the visual cortex," she said.

"We have seen increased coupling between the lower-frequency waves and the gamma that has been shown to be a feature of visual awareness and visual sensation."

However, she said that to confirm the findings a study would have to be carried out on humans who have experienced clinical death and have been revived.

Commenting on the research, Dr Jason Braithwaite, of the University of Birmingham, said the phenomenon appeared to be the brain's "last hurrah".

"This is a very neat demonstration of an idea that's been around for a long time: that under certain unfamiliar and confusing circumstances - like near-death - the brain becomes overstimulated and hyperexcited," he said.

"Like 'fire raging through the brain', activity can surge through brain areas involved in conscious experience, furnishing all resultant perceptions with realer-than-real feelings and emotions."

But he added: "One limitation is that we do not know when, in time, the near-death experience really occurs. Perhaps it was before patients had anaesthesia, or at some safe point during an operation long before cardiac arrest.

"However, for those instances where experiences may occur around the time of cardiac arrest - or beyond it - these new findings provide further meat to the bones of the idea that the brain drives these fascinating and striking experiences"

Dr Chris Chambers, of Cardiff University, said: "This is an interesting and well-conducted piece of research. We know precious little about brain activity during death, let alone conscious brain activity. These findings open the door to further studies in humans.

"[But] we should be extremely cautious before drawing any conclusions about human near-death experiences: it is one thing to measure brain activity in rats during cardiac arrest, and quite another to relate that to human experience."

Artist creates sketch of mysterious 'angel priest' who appeared at Mo. crash scene

An artist has created a sketch of the mysterious "angel priest" who witnesses say appeared at the scene of a Missouri car accident Sunday, anointed and prayed with the teenage victim and then vanished without a trace. 

Fox4KC reports Tucson-based artist Randall Sands created the sketch using online face sketch software at facesid.com based on media reports, hoping someone would be able to identify the cleric.

Officials are still scratching their heads over the priest, who they say appeared out of nowhere. Perhaps more mysteriously, the local fire chief said he does not appear in any of 80 photos from the accident scene.

"I think that this time I've actually witnessed a guardian angel at work," Jeremiah See of the New London Fire Department told ABC News.

Family and friends of the victim, 19-year-old Katie Lentz of Quincy, Mo., say they are hoping to find the priest and thank him for making the rescue possible.

"Where did this guy come from?" Lentz's friend Travis Wiseman asked, according to KHQA. "We're looking for the priest and so far, no one has seen him. Whether it was a priest as an angel or an actual angel, he was an angel to all those and to Katie."

Rescuers tell Fox4KC a 26-year-old driver crossed the center lane and hit Lentz' car head-on. Authorities spent about 45 minutes trying to cut her out of the car, but the metal on her older car dulled the equipment. 

“The fire chief, Raymond Reed, had stepped back and came up to me and said he was concerned because he was out of options. His tools weren’t working and by that time, it was almost an hour and said I don’t know how we’re going to get her out,” Ralls County Sheriff’s Deputy Richard Adair told KHQA.

At this point, Fox4KC reports Lentz asked the rescuers to pray with her. Then the priest appeared – although the highway was blocked for two to three miles and emergency responders were not letting anyone past the roadblocks.

“He came and he asked to anoint the girl in the car,” Adair said. “My first thought was that it would possibly send the wrong message to Katie that maybe we had called a priest and thought she wasn’t going to make it. So I went back and talked to the priest and told him we were worried she would think we’d given up hope. He said, ‘I just want to anoint her’ and so we just let him come up to the scene.”

Witnesses said he anointed Lentz and her rescuers with oil, prayed with them and asked them to remain calm.

The Hannibal fire department then pulled up with fresh equipment and was able to free Lentz. After getting her in the Air Evac helicopter, rescue workers said the priest was nowhere to be found.

Fire Chief Reed said the department took 80 photos of the scene and the priest did not appear in any of them. 

A witness who said she and her husband held Lentz' hand after the accident tells KHQA she remembers the priest well.

"He was dark complected," she said. "He had an accent, but I'm not sure what nationality. He was probably 5 feet 6 inches maybe. He was not heavy set, but he probably weighed close to 200 pounds. He had dark hair."

The Diocese of Jefferson City says it has not located the priest involved and does not plan to search for him. 

“Out of respect for the privacy of any priest who may have been involved and does not wish to come forward, the Diocese does not plan to further investigate this incident. The Diocese is grateful that a priest was able to exercise his ministry in this manner and requests prayers for healing of the victim, as well as prayers of thanks.” Deacon Dan Joyce said.

Ralls County Prosecuting Attorney Rodney Rodenbaugh said he anticipates charges will be filed against the driver Aaron Smith, KHQA reports. 

Lentz remains at Blessing Hospital in serious condition. She was treated for multiple fractures and serious internal injuries.

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