I TRIED magic mushrooms out of curiosity and in middle age. I’d been on the amateur mycological circuit for a couple of years, but hallucinogenic species were rarely mentioned at the foraging expeditions and conferences I attended. It’s almost as if they were the black sheep of mycology: embarrassing to serious taxonomy jocks. I read some books on the subject, but most were tripper’s guides that didn’t utilize, um, specific language or current science. Psychoactive mushrooms had been in a kind of scientific ghetto ever since they were criminalized in 1968. But now the drug derived from the mushroom, psilocybin, is finally being re-examined for its medical applications.

A study published last month in the Journal of the Royal Society Interface compared M.R.I.s of the brains of subjects injected with psilocybin with scans of their normal brain activity. The brains on psilocybin showed radically different connectivity patterns between cortical regions (the parts thought to play an important role in consciousness). The researchers mapped out these connections, revealing the activity of new neural networks between otherwise disconnected brain regions.

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Can Mushrooms Treat Depression?

Can Mushrooms Treat Depression?