It’s one thing to say that psychedelic mushrooms open your mind, but it’s another entirely to demonstrate its dream-like effects in a scientific study. In the experiment, researchers injected a dose of psilocybin — the chemical that gives shrooms their kick — into a group of 15 participants, reports The Washington Post. It’s like someone’s turned up the volume there, in these regions that are considered part of an emotional system in the brain, Robin Cahart-Harris, a neuropharmacologist at Imperial College London, told The Washington Post.