system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:Why did our brain decide to turn what we see upside down instead of adapting to original version?
gpt
Your brain doesn’t know that the image on your retina is upside down, and it doesn’t need to know. Your brain has no idea what a retina even is. All it knows is that specific signals received from the optic nerve correspond to specific locations in your field of vision.