Johnson: Psilocybin is a so-called classic psychedelic ... You've got increased activity in the visual cortex, which leads to changes in your perception, and then decreased network activity ...

These effects are often described as psychedelic, producing vivid visual and auditory experiences, changes in self-awareness, and profound emotional or spiritual insights. Scientists are ...

Psychedelic drug psilocybin, found in magic mushrooms, is as good at reducing symptoms of depression as conventional treatment, a small, early-stage study has suggested. But when it comes to ...