When someone films with a handheld camera and they’re walking or running, the video is shaky and annoying, sometimes leading to disorientation. Why then do we not get disoriented by what we see through our own vision when we’re moving around, say when we’re climbing stairs or running, etc?
In: Biology
Our eyes don’t work like cameras do. If you get a mirror and put a dot on it, and then look at the dot while jumping and moving around, your eyes are perfectly steady on it. You can do this your senses keep track of that movement and coordinate your eyes. When you climb stairs or run and want to look at different things, you can only do two things.
1. Look at an object – because of the above, its not shaky
2. Move from one object to another which is called a saccade
When you do a saccade, it’s not like panning a camera which makes you disorientated. You don’t process any information during this time, and are essentially blind. Your brain fills in the rest of the information which is why you still think you’re seeing something.
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