Vision without seeing

Do you ever get the feeling you are being watched? Did you see something out of the corner of your eye, but not know what it is? It turns out that a lot of visual processing happens without us actual seeing anything.

Once information leaves our eyes it travels to at least 10 distinct brain areas, each with their own specialised functions. Many of us have heard of the visual cortex, a large region at the back of the brain which gets most attention from neuroscientists. The visual cortex supports our conscious vision, processing colour and fine detail to help produce the rich impression of the world we enjoy. But other parts of our brain are also processing different pieces of information, and these can be working away even when we don’t – or can’t – consciously perceive something.

Source: What triggers that feeling of being watched? – Mind Hacks

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