Your Brain Doesn’t Work the Way You Think

587.27 - 607.921 David Eagleman

But the fascinating thing is when you look at the circuitry carefully, it's super specific, much more specific than almost anything else in the brain. It's only hitting the primary visual cortex and nothing else. And so that led us to a completely new theory about dreams. We studied 25 different species of primates, and we looked at the amount of REM sleep they have every night.