if that's what you're seeing, you're experiencing something called experiential blindness. your brain can predict, can simulate in advance of this is so does anything. so now i will give you an experience that will cute cure your blindness. you ready? here you go. -- now when you look at this, how many of you can still see a snake? not too many? want to do it again? it works better when i have a computer. i can overlay one on top of the other. for many people, they can still see the head, they can see part of the body. this is very similar to what happened with the white square. what's happening now is that i've given your brain and experience. you've cultivated that experience that has a larger brain to make predictions. so, if you see parts of the snake your brain is able to simulate and change the firing of its own neurons to see lines where there are no lines c can see an object where there is no object. recently a woman came up to me after an event said, i want you to tell me what's wrong with my brain. i said okay. she said when i look at those black-and-white blobs,