Eli5 why do we see things in the corners of our eyes when there’s nothing really there?
In: Biology
If your visual cortex even gets a WHISPER of a stimuli on the edges of your visual field (where it is the weakest) it’ll create motion to prompt other parts of your brain (e.g. motor cortex, amygdala etc.) just in case it wasn’t nothing and was actually an ENTIRE BEAR THAT SOMEHOW SNUCK UP ON YOU.
Thank god you have a nervous system that is crackhead level twitchy because that tendency to jerk and look and see little things on the corner of your vision just saved you from being eaten by that bear. 🙂
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