>Notice how quickly the image changed. That's because you did it by >manipulating references rather than by moving around enough bits to >represent an image of one or the other kind of baseball.
The human mind does not manipulate pixels by pixels, nor even store pixels. The mind uses feature extraction methods such as edge detection, motion detection, etc. The visual cortex does that function. This is like converting a bitmap image to vector images for better manipulation. It even discriminates objects by the use of probabilistic-like methods.
The human mind does not do tasks as that inefficiently as you think. In fact, the human mind is more symbolic than you think. It compiles commonly-used images and ideas into symbolic-like associations, commonly known as implicit memory or intuition. This is done by a method called long-term potentiation over an extended period of time. It has some hard coded modalities such as 3D processing in the "place cells" and motion detection in the visual cortex. Without them, it would be impossible.
Furthermore, the reason why humans are good at motor tasks is because they are repetitively trained, compiled into symbols. Without training, we would be really bad at motor tasks.
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