I've discovered a fantastic way to make my head hurt: trying to think about what vision is. I was pondering the question of whether or not people see the same colors as other people, and then I started to wonder what that question even means. Where and what in my brain is vision (or any other sense) exactly?
I can imagine a neural net hooked up to a wavelength detector, which would allow color identification: neuron x fired, so the sensor is seeing blue. That would be trivial, and presuably that's more or less what my brain does. But that's not what happens from my perspective. I see blue. What the heck does that mean?
This leads to another mind-bender: When a neural net has been trained to, say, approximate a function, how does it perceive the function?
Category: Random
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