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Movies about perceptual blindness experiments
Demonstrations, videos from our research, videos of us speaking, etc. Dan's YouTube Channel includes most of these videos as well as favorites from around the web that are related to or mentioned in our book. You can view more videos on his personal website

The original selective attention task
This video is the one that started our collaboration and inspired the book. You can read more about it here.

The Monkey Business Illusion
This was Dan's submission to the 2010 Best Illusion of the Year contest.

A movie perception test - conversation
This video illustrates how movie perception works and is from a study by Dan and his colleague Daniel Levin.

A movie perception test
This video illustrates how movie perception works and was from a study by Dan and his colleague Daniel Levin.

The original "door" study
This video shows a subject in a person-change study conducted by Dan and his colleague Daniel Levin.

Intuitions about perception
This video shows Dan interviewing people about their beliefs about perception, with an unexpected guest.

Dan's presentation at TEDxUIUC 2011
Dan's talk entitled "Seeing the world as it isn't."

Chris's presentation at PopTech 2010
Chris's talk entitled "When intuition fails."

Chris's 2010 presentation at Google
Chris's talk about The Invisbile Gorilla in the Authors@Google series

Dan's presentation of the Monkey Business Illusion
This 5 minute video shows Dan's presentation at the Illusion of the Year contest. He gave his presentation while wearing a gorilla costume. It includes the Monkey Business Illusion plus some other hyjinx.

Dan's presentation at TEDxUIUC 2010
Dan's talk entitled "Counter-Intuition."

Interview of Dan
Dan and a special guest were interviewed in this film produced by the Beckman Institute

Invisible Gorilla Around Town
Watch what happens when Dan dons a gorilla suit and walks around Champaign, Illinois.
The Invisible Gorilla
Try it yourself
Each of the videos in this player allow you to try an experiment for yourself. I would suggest trying them in order. Just follow the provided instructions.

Videos illustrating studies
The videos in this player illustrate studies that I have conducted over the years.

Dan speaking and other related videos
The videos in this player include talks I have give as well as presentations and explanations of my work. Yes, that's me in the gorilla suit.

Daniel Simons

Please also watch “National Geographic” movie “Test Your Brain” which also covers the topic of perceptual blindness.