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The Invisible Gorilla

THE INVISIBLE GORILLA by Christopher Chabris and Daniel Simons

by Christopher Chabris and Daniel Simons, authors of The Invisible Gorilla: And Other Ways Our Intuitions Deceive Us (Crown Archetype, 2010)

More than a decade ago, when we did the experiment that inspired the name of our book, we had no idea that it would become as well known as it has. For us, it was mostly a way for the students in a course we were teaching to work together on a research project on perception and awareness. We created several videos that showed two groups of three people passing basketballs around. The students showed one of these videos to subjects and asked them to count how many times the people wearing white passed the ball. While they were focusing their attention on this task, half of the subjects failed to notice a person in a gorilla suit who casually strolled into the scene, thumped her chest at the camera, and walked off the other side. Continue reading

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