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Definitely not a neuroscientist but I have wondered in the past if human's exceptional eyesight/visual processing (compared to the rest of the animal world) fac
by JohnMakin 2y ago
Definitely not a neuroscientist but I have wondered in the past if human's exceptional eyesight/visual processing (compared to the rest of the animal world) factors into this intelligence - many birds also have extremely good eyesight. It would seemingly require a lot of raw processing "power" to see very well.
- timewizard 2y agoHumans have five distinct "visual cortexes" in the brain that process input from the eyes. There's two layers to the system and they provide outputs to various parts of the brain. Your blink and flinch response is highly sensitive to some of these outputs. Birds have two. One feeds the other. Their field of view for binocular vision is often not large. They completely lack the power to "fill in" details of occluded objects the way that we can. Which is the true power of our vision outside of pure pattern recognition used to find sources of food.