A Johns Hopkins press release reports:
Using unusually rigorous scientific conditions and measures, Johns Hopkins researchers have shown that the active agent in "sacred mushrooms" can induce mystical/spiritual experiences descriptively identical to spontaneous ones people have reported for centuries.
The resulting experiences apparently prompt positive changes in behavior and attitude that last several months, at least.
The agent, a plant alkaloid called psilocybin, mimics the effect of serotonin on brain receptors-as do some other hallucinogens-but precisely where in the brain and in what manner are unknown.
An account of the study, accompanied by an editorial and four experts' commentaries, appears online today in the journal Psychopharmacology....
All of the study's authors caution about substantial risks of taking psilocybin under conditions not appropriately supervised. "Even in this study, where we greatly controlled conditions to minimize adverse effects, about a third of subjects reported significant fear, with some also reporting transient feelings of paranoia," says Griffiths. "Under unmonitored conditions, it's not hard to imagine those emotions escalating to panic and dangerous behavior."
The researchers' message isn't just that psilocybin can produce mystical experiences. "I had a healthy skepticism going into this," says Griffiths, "and that finding alone was a surprise." But, as important, he says, "is that, under very defined conditions, with careful preparation, you can safely and fairly reliably occasion what's called a primary mystical experience that may lead to positive changes in a person. It's an early step in what we hope will be a large body of scientific work that will ultimately help people." ...
In the study, more than 60 percent of subjects described the effects of psilocybin in ways that met criteria for a "full mystical experience" as measured by established psychological scales. One third said the experience was the single most spiritually significant of their lifetimes; and more than two-thirds rated it among their five most meaningful and spiritually significant. Griffiths says subjects liken it to the importance of the birth of their first child or the death of a parent.
Two months later, 79 percent of subjects reported moderately or greatly increased well-being or life satisfaction compared with those given a placebo at the same test session. A majority said their mood, attitudes and behaviors had changed for the better. Structured interviews with family members, friends and co-workers generally confirmed the subjects' remarks. Results of a year-long followup are being readied for publication.
Psychological tests and subjects' own reports showed no harm to study participants, though some admitted extreme anxiety or other unpleasant effects in the hours following the psilocybin capsule. The drug has not been observed to be addictive or physically toxic in animal studies or human populations....
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