Psilocybin, eraser for your head…


The psychedelic drug psilocybin dramatically changes how collections of nerve cells work in the brain, eliminating normal communication between brain regions, a new brain scanning study published July 17 in Nature shows. 

These brain images, taken before, during and after a high dose of psilocybin, expand the understanding of the drug’s effects, which is being studied for its promise in treating mental health disorders such as depression.

The brain scanning protocol researchers used was intense. “We had a small number of people, just seven participants in the whole study, but an enormous amount of data on each one,” says Joshua Siegel, a neuroscientist and psychiatrist at Washington University School of Medicine in St. Louis. Each person underwent about 18 functional MRI brain scans, one roughly every other day, over the course of the study. 



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