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David Eagleman on how we constructs reality

“The
conscious mind (…) it’s like a stowaway on a transatlantic steamship, that’s taking credit for the journey, without acknowledging all the engineering underfoot. (…)
When
Galileo discovered the moons of Jupiter and realized that, in fact, we’re not at the center of things, but instead we’re way out on a distant edge. That’s essentially the same situation we’re in, where we’ve fallen from the center of ourselves. (…)
The first thing to do is to recognize that what you’re seeing out there is not actually reality. You’re not sort of opening your eyes, and voila, there’s the world. Instead, your brain constructs the world. Your brain is trapped in darkness inside of your skull, and all it ever sees are electrical and chemical signals. So all the colors you see, and so on, that doesn’t really exist; that’s an interpretation by your brain. (…)
All we’re actually doing is seeing an internal model of the world; we’re not seeing what’s out there, we’re seeing just our internal model of it. And that’s why, when you move your eyes around, all you’re doing is updating that model. (…) We don’t even need our eyes to see. When you are asleep and dreaming, your eyes are closed, but you’re having full, rich visual experience —because it’s the same process of running your visual cortex, and then you believe that you are seeing. (…)
Some thoughts aren’t thinkable, because of the way that thoughts are constrained by our biology. (…) What we call visible light is just one ten-billionth of that spectrum. So, we’re only seeing a very tiny sliver of that, because we have biological receptors that are tuned to that little part of the spectrum. But radio signals, and cell phone signals, and television signals, all that stuff is going right through your body, because you happen not to have biological receptors for that part of the spectrum. (…)
Mother Nature chronically reinvents things all the time—accidentally. Just by mutation, there are always new ways to do things, like detect motion, or control muscles, or whatever it is that it’s trying to do—pick up on new energy sources, and so on. And as a result, what you have are multiple ways of solving problems in real biological creatures. (…) Mother Nature probably came up with about three or four different ways to detect motion. And all of these act like parties in the neural parliament. They all sort of think that they know how to detect motion best, and they battle it out with the other parties. (…)
The analogy of a young monarch who takes the throne of his country, and takes credit for the glory of the country without thinking about the thousands of workers who are making it all work. And that’s essentially the situation we’re in.” "
David Eagleman, neuroscientist at Baylor College of Medicine, where he directs the Laboratory for Perception and Action and the Initiative on Neuroscience and Law, ☞ David Eagleman on how we constructs reality, time perception, and The Secret Lives of the Brain (Illustration source: David Plunkert for TIME)
See also: David Eagleman on the conscious mind (via amiquote)