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Showing posts with label anoxia. Show all posts
Showing posts with label anoxia. Show all posts

Friday, September 18, 2015

Vaping near-death experiences?

Will carbon dioxide bars replace Moe's Tavern?

In a 1950s experiment,  a psychiatrist named L.J. Meduna conducted an experiment using varying mixtures of oxygen and carbon dioxide. His subjects were psychiatric patients, with "normal" control subjects. This being the 50s, I'm guessing he didn't obtain true informed consent from the mental patients. Yes, this will save you from those revolutionaries, Marie.

The experiment produced many of hallmarks of classic near-death experiences, including terror, ecstasy, cosmic understanding, a feeling of universal love, and harmony with God, as well as bright lights, tunnels, and vivid colors. Here is one story as recounted in Susan Blackmore's classic NDE book Dying to Live.

Then the colors left and I felt myself being separated; my soul drawing apart from the physical being, was drawn upward, seemingly to leave the earth and go upward where it reached a greater Spirit with Whom there was a communion, producing a remarkable, new relaxation and deep security.

So, perhaps it isn't lack of oxygen that triggers NDEs, but the accompanying hypercarbia (high CO2). In the future, will carbon dioxide bars become the new hot trend, like those ridiculous oxygen bars of the 90s?

"I'll have a near-death experience, hold the near death, please."

Wednesday, September 2, 2015

Attack of the Pulpit People

This photos was taken five days before my awakening, while I was in a minimally conscious state, the final step before consciousness. I believe it was in this period that I had my most detailed coma-dreams.
Okay, so what would I say to someone who denies that I had a near-death experience? Well, first the smartass point: I was near death and I had an experience. Actually, it's not so smartass after all. NDEs, as referred to in the VICE interview, can be caused by a wide range of events that aren't even life-threatening. Beyond the ones Simon Davis mentioned--migraines and epileptic seizures--fainting, hyperventilation, even intensely emotional circumstances can trigger an NDE. That's because it's a neurological condition that's often triggered by hypoxia and anoxia--low or absent oxygen.

However, I didn't originally think of my coma-dream as an NDE. I thought NDEs were just something the spiritually inclined believed had happened to them. In other words, that they weren't a real phenomenon. My argument in my first draft of my Skeptical Inquirer article "Covert Cognition: My So-Called Near-Death Experience" was that the reason I didn't have an NDE was due to my atheism and skepticism. But as I learned ever more about NDEs, I began to realize that I had experienced many parallels with classic NDEs. My nonbelief is still the reason why I didn't see angels or heaven, but a true skeptic revises their beliefs when the evidence contradicts them. NDEs are real.

As I stated in both the article and the interview, one of the main convergences with classic NDEs were the numerous elements from my childhood featured prominently in my coma-dream. Instead of a whole-life review, my mind settled on the simplest, most comforting time in my life--sort of a mental fetal position.

Another one, which was also mentioned in the interview and the SI article, were the voices that filtered into my coma-dream. As I researched the article, I came to learn more and more about what happened to me while I was in the coma. In the first part of this two-part blog, I discussed covert cognition. If the brains of people having the experience are still active, then NDEs can't be evidence of mind-body separation.

The third element--the one that tied things together--was Kevin Nelson's REM intrusion theory. Simon did an excellent job presenting the theory, but I would also add that according to Nelson's study, people who are susceptible to forms of REM intrusion like my lucid dreaming are 60% more likely to have an NDE. (In fact, I should've put that statistic in my article.) But what many of the commentators on the Post Mortem column chose to ignore was the implications of the theory. My coma-dream was indeed an ordinary dream, albeit a very long one. And so are all NDEs. The theory states that this is what's responsible for the surreal, dream-like nature of NDEs. The surreal things I saw were inspired by my secular childhood mental landscape, including campy 50s sci-fi films like Attack of the Puppet People. There's also a scene in the classic horror film The Bride of Frankenstein that featured miniaturized people. I grew up without religion, but loving movies like these.

As for the most famous NDE element of all, the light at the end of a dark tunnel, I admittedly experienced no parallel. I believe that's because when I developed anoxia--as my blood pressure dropped so low that I suffered a series of strokes on both sides of my brain--I was already unconscious from the sepsis that was rapidly killing me. If the anoxia had occurred later, I might've seen the tunnel too. It's something that test pilots often report. Even my boyfriend Keith has seen that tunnels the few times he's fainted, though he didn't have an NDE. That's another well-documented physical effect.

A few commentators on the Post Mortem column complained that I couldn't have had an NDE because I didn't die and come back again. I came about as close to dying as you can be without actually dying, but no, I never actually died. As I've already established, however, near death isn't required to have a near-death experience. Many people who have written bestselling Heaven tourism books like Colton Burpo, the kid of Heaven is for Real fame, didn't die. He was in a coma too. And as I stated in part one, Eben Alexander's brain was not in fact dead during his NDE. Indeed, many of the things he stated as facts in his book Proof of Heaven were proven to be impossible in a famous Esquire expose.

The real problem is that some people are so invested in the idea that NDEs are evidence of the afterlife that anyone who contradicts this from personal experience must be denied or attacked. I think it was this same impulse that led one commentator on the Washington Post article about me and my SI article to insinuate that if I were really dying, I would've seen my dead loved ones. Surely then I would've seen Heaven, right? To me, the final nail in the coffin is the comment I read in an article about another coma survivor, Claire Wineland. A Disqus member named NoAZPhilsPhan recounted his own NDE. People always told him that his NDE was real because he heard the voice of a dead friend. But he doubts the reality of his experience because he also handed out presents with Santa Claus and sledded with the Coca-Cola bears. It was around Christmas time. Coincidence?

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Coma Girl

Coma Girl

Not a miracle recovery, but a miracle of modern medicine

In 2013 I fell into a six-week coma and nearly died after I contracted legionella. The Legionnaire's disease was in turn triggered by immunosuppression caused by the prednisone I was taking for my rare autoimmune disease, dermatomyositis.

I suffered a series of strokes on both sides of my brain when the sepsis caused my blood pressure to plummet. I fell into a deep coma. My kidneys and lungs began to fail, as my body was began dying one organ at a time. My doctors told my loved ones to give up hope for my full recovery. They expected me to die, and even if I somehow lived, I would remain a vegetable or at best left so hopelessly brain-damaged that I would never be same. But unbeknownst to them, while they were shining lights in my eyes and shaking their heads, I was telling them in my coma-dream--my secular version of a near-death experience--to leave me alone because I was trying to get back to sleep. I was experiencing what is known as covert cognition, the subject of my Skeptical Inquirer article "Covert Cognition: My So-Called Near-Death Experience," which appeared in their July/August issue.

But it wasn't a miracle--despite what so many continue to believe--that I recovered so fully. I owe my life not to God, but the miracles of modern medicine, as well as the nature of the watershed-area brain damage I suffered, as I detailed in my article and in this blog.