Your brain is made of little things that can connect with around 10,000 other little things. And all they can do if have signals be on or off. It’s like the binary circuitry of a microprocessor, just vastly more complex. But the point is that what you’re experiencing is just some combination of those switches being triggered by the outside world. Your brain is creating its own Matrix of the outside world. Instead (I’m assuming we’ve all seen the movie) of a Matrix being fed into our brains, our brain is creating its own matrix of what it’s perceiving outside. That’s badass.