What Psychedelics Reveal About How We See the World

👁️ Is what you're seeing right now real, or a very convincing hallucination your brain is constructing? The camera is a common metaphor for human vision. In the eyeball, the comparison holds up: both cameras and eyes have an aperture, a lens, and a sheet of detectors that turn light into an image. But once you consider the rest of the brain, the metaphor completely falls apart. In this talk, Michael Silver, Professor of Optometry and Vision Science and Neuroscience at UC Berkeley, shows how our