Perception is the way we experience the world. Our perception is made up of the signals that come into our bodies through our eyes, ears, and other sensory organs, but is also made up of our brain's interpretation of those signals. We know that the way light comes into our eyes should be upside-down, but our brains unscramble those signals to match the world around us. That's just the beginning of the ways our brains change the incoming signals to be useful instead of confusing and overwhelming. The brain uses present signals to predict the future, so quickly that we never notice what we are doing. Kurzgesagt explains some of the chores your brain does at the microsecond scale, which is a lot, and it makes us wonder how we ever have time and brain power left over to just think (as we normally think of it) and make conscious decisions. This video is about 9:40- the rest is promotional. -via Geeks Are Sexy
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