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We are, obviously. From the article: "Nor do we have to understand the mechanisms that underlie those competencies. In an illuminating metaphor, Dennett asserts that the manifest image that depicts the world in which we live our everyday lives is composed of a set of user-illusions, 'like the ingenious user-illusion of click-and-drag icons, little tan folders into which files may be dropped, and the rest of the ever more familiar items on your computer’s desktop. What is actually going on behind the desktop is mind-numbingly complicated, but users don’t need to know about it, so intelligent interface designers have simplified the affordances, making them particularly salient for human eyes, and adding sound effects to help direct attention. Nothing compact and salient inside the computer corresponds to that little tan file-folder on the desktop screen.' He says that the manifest image of each species is 'a user-illusion brilliantly designed by evolution to fit the needs of its users.' In spite of the word 'illusion' he doesn’t wish simply to deny the reality of the things that compose the manifest image; the things we see and hear and interact with are 'not mere fictions but different versions of what actually exists: real patterns.' The underlying reality, however, what exists in itself and not just for us or for other creatures, is accurately represented only by the scientific image—ultimately in the language of physics, chemistry, molecular biology, and neurophysiology." |
They are also mediated by consciousness. Unconscious scientists rarely do experiments or interpret their results.
This is epistemology 101.