YOUR BRAIN IS TRYING TO UNDERSTAND THE COLORS OF THINGS IRRESPECTIVE OF THE LIGHTING OR THE SHADOWS, SO SOMEHOW IT'S NOT ABOUT WHAT'S HITTING YOUR EYES.ĮAGLEMAN: NOW, THIS IS ABOUT MORE THAN JUST A VISUAL ILLUSION. WELL, IT SEEMS LIKE THERE'S A SHADOW, SO IT MAKES THIS DARKER. WELL, IT LOOKS LIKE A LIGHT SQUARE, YEAH?ĭO YOU HAVE A GUESS AS TO WHY THERE'S AN ILLUSION HERE? SO TAKE A LOOK AT THIS MIDDLE SQUARE HERE.ĭOES THAT LOOK MORE SIMILAR TO THE LIGHT SQUARE OR THE DARK? WHEN I'M IN THE WORLD, MY SENSES ARE FLOODED WITH SIGHTS AND SOUNDS AND SMELLS, AND IT SEEMS OBVIOUS THAT REALITY IS JUST OUT THERE.ĪLL I HAVE TO DO IS SHOW UP, AND MY SENSES LET ME EXPERIENCE IT ALL. I WANT TO SHOW YOU HOW THE BRAIN TAKES IN INFORMATION, SIFTS THROUGH IT TO FIND PATTERNS, AND USES IT TO BUILD THE MULTISENSORY, TECHNICOLOR SHOW THAT IS YOUR REALITY. IF YOU COULD PERCEIVE REALITY AS IT REALLY IS OUT THERE, YOU WOULDN'T RECOGNIZE IT AT ALL. WHAT IF I SAID THAT THE REAL WORLD HAS NO SMELL OR TASTE. WHAT IF I TOLD YOU THAT THIS WORLD AROUND US, THIS RICHLY TEXTURED WORLD, WERE ALL JUST AN ILLUSION CONSTRUCTED IN YOUR HEAD? AND, FOR ME, THERE'S ONE MYSTERY THAT'S ABSOLUTELY FUNDAMENTAL- WHAT IS REALITY? WHAT WE FEEL, WHAT MATTERS TO US, OUR BELIEFS, AND OUR HOPES- EVERYTHING WE ARE HAPPENS IN HERE. DAVID EAGLEMAN: THE MOST COMPLEX THING WE'VE DISCOVERED IN THE UNIVERSE IS THE HUMAN BRAIN.įOR THE PAST 20 YEARS, I'VE BEEN TRYING TO UNDERSTAND HOW WHAT HAPPENS IN 3 POUNDS OF JELL-O-LIKE MATERIAL SOMEHOW BECOMES US.
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