Forty Minutes Of Functional Blindness

You are effectively blind for about 40 minutes a day because of saccadic masking. During quick eye movements called saccades, your brain suppresses the incoming visual information so you do not notice the blur. This neural “masking” stitches your rapid eye jumps into a smooth, continuous scene. Without it, everyday life would look like a constant movie filmed with a shaky handheld camera.

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