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Blind Spot

Kyrisch
in Anatomy, Physiology and Neuroscience

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I bet a lot of you know that the eye has a blind spot. I bet you also knew that the brain fills in the space with what it thinks should go there. Have you ever tested this out? Put your brain to the test! Close your left eye and look directly at the cross-hairs in each image. Pay attention to what happens to the dot on the right!

 

blindspot1bw.gif

What happens when we change the background colour?

blindspot1.gif

Reverse it?

blindspot1rev.gif

How does the brain deal with this?

blindspotline.gif

What will your brain do with this?

blindspotdotfield.gif

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