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How do different brain regions/structures produce different experiences?

Asked by nikipedia (28072points) October 29th, 2008

So I had a lecture on synesthesia recently, and it got me wondering how perception works, exactly. Why is it that when you send information to the visual brain areas you see, and when you send information to the auditory brain areas you hear? Is it due to structural differences between the regions? If so, which ones, and how do those work to produce that experience? Am I missing something really obvious?

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