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originally posted by: madscientist3000
Fascinating subject. However, let's keep in mind that all of these ideas assume that strong AI is 100% achievable and it will come no matter what. Not everyone agrees, however. For all we know weak AI is all that will be possible. If there is a non computable aspect to the human brain, then weak AI is what will be. Yes, there will be some things that weak AI may mimic about the human brain in very specific use cases, but not anywhere near it in general. It is too early too tell and what will be possible or not remains to be seen.
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Your Marvelous Brain
For years man’s brain has been likened to a computer, yet recent discoveries show that the comparison falls far short. “How does one begin to comprehend the functioning of an organ with somewhere in the neighborhood of 50 billion neurons with a million billion synapses (connections), and with an overall firing rate of perhaps 10 million billion times per second?” asked Dr. Richard M. Restak. His answer? “The performance of even the most advanced of the neural-network computers . . . has about one ten-thousandth the mental capacity of a housefly.” Consider, then, how much a computer fails to measure up to a human brain, which is so remarkably superior.
... You would not be exaggerating to say that the most advanced computers are very primitive compared to the brain. Scientists have called it “the most complicated structure known” and “the most complex object in the universe.” Consider some discoveries that have led many to conclude that the human brain is the product of a caring Creator.
Use It or Lose It
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Memory and More!
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Nor is our brain just some vast storage place for information, like a supercomputer. Biology professors Robert Ornstein and Richard F. Thompson wrote: “The ability of the human mind to learn—to store and recall information—is the most remarkable phenomenon in the biological universe. Everything that makes us human—language, thought, knowledge, culture—is the result of this extraordinary capability.”
Moreover, you have a conscious mind. That statement may seem basic, but it sums up something that unquestionably makes you exceptional. The mind has been described as “the elusive entity where intelligence, decision making, perception, awareness and sense of self reside.” As creeks, streams, and rivers feed into a sea, so memories, thoughts, images, sounds, and feelings flow constantly into or through our mind. Consciousness, says one definition, is “the perception of what passes in a man’s own mind.”
Modern researchers have made great strides in understanding the physical makeup of the brain and some of the electrochemical processes that occur in it. They can also explain the circuitry and functioning of an advanced computer. However, there is a vast difference between brain and computer. With your brain you are conscious and are aware of your being, but a computer certainly is not. Why the difference?
Frankly, how and why consciousness arises from physical processes in our brain is a mystery. “I don’t see how any science can explain that,” one neurobiologist commented. Also, Professor James Trefil observed: “What, exactly, it means for a human being to be conscious . . . is the only major question in the sciences that we don’t even know how to ask.” One reason why is that scientists are using the brain to try to understand the brain. And just studying the physiology of the brain may not be enough. Consciousness is “one of the most profound mysteries of existence,” observed Dr. David Chalmers, “but knowledge of the brain alone may not get [scientists] to the bottom of it.”
Nonetheless, each of us experiences consciousness. For example, our vivid memories of past events are not mere stored facts, like computer bits of information. We can reflect on our experiences, draw lessons from them, and use them to shape our future. We are able to consider several future scenarios and evaluate the possible effects of each. We have the capacity to analyze, create, appreciate, and love. We can enjoy pleasant conversations about the past, present, and future. We have ethical values about behavior and can use them in making decisions that may or may not be of immediate benefit. We are attracted to beauty in art and morals. In our mind we can mold and refine our ideas and guess how other people will react if we carry these out.
Such factors produce an awareness that sets humans apart from other life-forms on earth. ...
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Chess Champion Versus Computer
When the advanced computer Deep Blue vanquished the world champion chess player, the question arose, “Aren’t we forced to conclude that Deep Blue must have a mind?”
Professor David Gelernter of Yale University replied: “No. Deep Blue is just a machine. It doesn’t have a mind any more than a flowerpot has a mind. . . . Its chief meaning is this: that human beings are champion machine builders.”
Professor Gelernter pointed to this major difference: “The brain is a machine that is capable of creating an ‘I.’ Brains can summon mental worlds into being, and computers can’t.”
He concluded: “The gap between human and [computer] is permanent and will never be closed. Machines will continue to make life easier, healthier, richer and more puzzling. And human beings will continue to care, ultimately, about the same things they always have: about themselves, about one another and, many of them, about God. On those terms, machines have never made a difference. And they never will.”
Supercomputer Equals Snail
“Today’s computers are not even close to a 4-year-old human in their ability to see, talk, move, or use common sense. One reason, of course, is sheer computing power. It has been estimated that the information processing capacity of even the most powerful supercomputer is equal to the nervous system of a snail—a tiny fraction of the power available to the supercomputer inside [our] skull.”—Steven Pinker, director of the Center for Cognitive Neuroscience at the Massachusetts Institute of Technology.
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From Particle Physics to Your Brain
Professor Paul Davies reflected on the ability of the brain to handle the abstract field of mathematics. “Mathematics is not something that you find lying around in your back yard. It’s produced by the human mind. Yet if we ask where mathematics works best, it is in areas like particle physics and astrophysics, areas of fundamental science that are very, very far removed from everyday affairs.” What does that imply? “It suggests to me that consciousness and our ability to do mathematics are no mere accident, no trivial detail, no insignificant by-product of evolution.”—Are We Alone?
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originally posted by: network dude
... But as we have seen, AI can be made to think like a douchebag, so if that's possible, I sure hope we don't ever have a psychopath program AI.