I Am a Strange Loop PDF

Rating: Author: Douglas R. Hofstadter ISBN : Product Detai New from Format: PDF

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Can thought arise out of matter? Can self, soul, consciousness, “I” arise out of mere matter? If it cannot, then how can you or I be here?

I Am a Strange Loop argues that the key to understanding selves and consciousness is the “strange loop”—a special kind of abstract feedback loop inhabiting our brains. The most central and complex symbol in your brain is the one called “I.” The “I” is the nexus in our brain, one of many symbols seeming to have free will and to have gained the paradoxical ability to push particles around, rather than the reverse.

How can a mysterious abstraction be real—or is our “I” merely a convenient fiction? Does an “I” exert genuine power over the particles in our brain, or is it helplessly pushed around by the laws of physics?

These are the mysteries tackled in I Am a Strange Loop, Douglas Hofstadter’s first book-length journey into philosophy since Gödel, Escher, Bach. Compulsively readable and endlessly thought-provoking, this is a moving and profound inquiry into the nature of mind.

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• File Size: 2511 KB
• Print Length: 436 pages
• Publisher: Basic Books; Reprint edition (August 1, 2007)
• Sold by: Amazon Digital Services, Inc.
• Language: English
• ASIN: B004PYDBS0
• Text-to-Speech: Enabled
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• Amazon Best Sellers Rank: #53,397 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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I Am a Strange Loop PDF

Douglas Hofstadter is an exceptionally bright and witty man, with a gift for analogy. This no doubt makes him entertaining company and a pleasure to have as a teacher, but at the same time it sometimes gets in the way of the message he's trying to convey- the allegories and metaphors become the dominant message, and the core gets lost in translation.

This is of course exactly what happened with Hofstadter's 1979 tour-de-force "Godel, Escher and Bach"; it was roundly praised to the heavens by scores of reviewers, none of whom seemed to notice that it was in fact a very clever way of presenting a theory of conciousness and intelligence. This bothered Hofstadter as well, as he tells us in the introduction to "I Am a Strange Loop", and so he set out to tell the story again, this time in a more straightforward manner. I'm not so sure he succeeded.

The bulk of "I Am a Strange Loop" is devoted to explaining Godel's Incompleteness Theorem, with a minimum of math and a lot of allegory and allusion. Much of it seems repetitious, and all of it is, I think, wasted, as the end product of all this attmepted explanation seems to be simply one more metaphor- that what's going on in the brain/mind is something very much like what's going on in Godel's theory: That a theory, or a formula, or a sentance, or a "thing," can contain within it a complete representation of itself. Hofstadter calls this a "strange loop", and believes that, combined with input from outside that adds to this (and other) loops is the wellspring from which consciousness springs.

I first heard this notion expressed in the following manner (although I don't recall who wrote it): Every living thing has in it some representition of the outside world.

You have certainly enjoyed the sensation of looking into a mirror that itself reflected a mirror, making a tunnel of reflections that went as deep as you could see. The same sort of thing happens when you take a television camera and turn it onto a monitor that is showing what the television camera is taking a picture of. But there is something spooky about such a loop. In fact, when young Doug Hofstadter's family was looking to purchase its first video camera, Hofstadter (showing in youth the sort of interest in self-reference that he would turn into a writing career) wondered what would happen if he showed the camera a monitor that itself showed the camera's own output. He remembers with some shame that he was hesitant to close the loop, as if he were crossing into forbidden territory. So he asked the salesman for permission to do so. "No, no, _no_!" came the reply from the salesman, who obviously shared the same fears, "Don't do _that_ - you'll break the camera." And young Hofstadter, unsure of himself, refrained from the experiment. Afterwards he thought about it on the drive home, and could see no danger to the system, and of course he tried it when they got home. And he tried it again many times; video feedback is one of the themes in Hofstadter's monumental and delightful _Gödel, Escher, Bach_ (known by millions as GEB) from 1979, and it comes back for further discussion (with more advanced hardware) in Hofstadter's new _I Am a Strange Loop_ (Basic Books).