" Science has trouble with this interpretation, however, because, whatever the perception is, it can’t be verified by its customary tools. It’s an anecdotal report, in effect, and so has no value. Science has little interest in, and tolerance for, the testimony of the individual; in this it is, curiously, much like an organized religion, which has a big problem crediting direct revelation too. But it’s worth pointing out that there are cases "

― Michael Pollan , How to Change Your Mind: What the New Science of Psychedelics Teaches Us About Consciousness, Dying, Addiction, Depression, and Transcendence