Biology

Saccadic masking – You are blind almost 40 mins in a day


If you are reading this, you probably think your vision is just fine. Would you believe you could be totally blind for nearly forty minutes each day? Read this fascinating article from Stuff I Learned. As long as you are there, stick around and dive into a great collection of articles about science, space, biology, and lots more.


Can you believe if a person who can completely see is blind almost 40 mins to an hour per day? This phenomenon is called Saccadic Masking and also known as (visual) Saccadic suppression. It is a visual illusion where the brain selectively blocks visual processing during our eye movements.

A saccade is a quick, simultaneous movement of both eyes between two or more phases of fixation points in the same direction. Humans become effectively blind during a saccade.

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