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I have to strongly disagree with you on this, I can walk around in my (small) city in my mind in 3D without any problems. Anybody who's ever had a dream would c

I have to strongly disagree with you on this, I can walk around in my (small) city in my mind in 3D without any problems. Anybody who's ever had a dream would concur as well. It's absolutely not true that humans can't think in 3D. The sensory input modalities and specifics do not control or limit the internal representations; a sufficiently capable neural network will extract the most efficient rep to predict the input data, which is moving 3D objects. That it's difficult to "render" this to 2D by painting is not very surprising.

teddyh 4y ago
> I have to strongly disagree with you on this, I can walk around in my (small) city in my mind in 3D without any problems. Anybody who's ever had a dream would concur as well. It's absolutely not true that humans can't think in 3D. Well, some people reportedly can, but it’s rare. You say you can imagine walking around your small city, and infer that you have the city conceptualized as a 3D object, and can rotate it at will, in any direction. But how do we know that you simply have not memorized your admittedly small city? Can you imagine what going around the city upside down (i.e. like walking on your hands) would look like, with ease? It should be just a simple rotation, right?