**What you see as "the present" is actually a prediction your brain makes 1/5th of a second into the future.** The eyes send 100 billion signals every second. The biggest part of seeing isn’t coming from the eye, but through a function to processing from something else. That takes time. The Brain compensates for that processing time by forecasting 1/5th of a second into the future and presenting that forecast as the present. **** # More ## Source - [[The Body (book)]] ## Related - [[Smell]]