better than the human mind
Memcomputer, the computer that mimics, really, the Mind
It has just been developed by a team of scientists from theUniversity of California San Diego and the Polytechnic University of Turin, coordinated by Massimiliano Di Ventra, and is the first computer ever made that can store and process information at the same time, like the human brain. It is, as the authors of the research tell in the pages of Science Advances, a device that can be assembled using standard technologies and that operates at room temperature, which “makes it much more accessible, in terms of simplicity and production costs, than a quantum computer.”
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Memcomputer, the computer that mimics, really, the Mind
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Traditional computers store and process data in two completely different areas: memory, to be exact, and the processor (Cpu). A system that is time and power-consuming: “Just to make a comparison,” Di Ventra explains to Popular Mechanics, “our brain uses about 20 watts to perform 1016 operations per second, while a supercomputer, for the same number of operations, needs a million times more power: most of the power, in fact, is used to transfer information from the Cpu to the memory and vice versa.”
To build the device, Di Ventra’s team used, instead of traditional silicon-based transistors, so-called memprocessors (mem is short for memory crunching), whose physical properties-electrical resistance, for example-changes as the amount of power flowing through them changes.
If the memprocessor loses power, it is able to store the change. In this way, the authors explain, the device can be used to continue storing information even while the processor is processing other information.
The prototype was put to the test by solving some computational problems, with extremely interesting results. “Memcomputers,” Di Ventra explains, “will probably be programmed, in the future, to do only a certain type of operation. In that they will be much faster than traditional computers.” For the rest, we just have to wait for the quantum revolution.
The more you analyze the brain, the less it seems to be a computer.
Asked the question : Can the Brain be simulated by a computer? Anil Seth , an expert on consciousness and Artificial Intelligence replied, “robotics expert Alan Winfield believes that building conscious machines from internal models based on simulation and artificial theory of mind will be the key to solving the problem of consciousness. His view is, “If you can’t build it, you don’t understand it.”
Anil continues, “There is tension. Alan is right. It is something I struggle with a little bit. It depends on what you think a conscious artificial intelligence can create. For me, consciousness is closely related to being alive. I think simulating the brain on computers, as we have them now, is not the same thing as building or instantiating a conscious system. But I could be wrong. There is a certain risk: that actually simulating something is the same thing as instantiating, that it is the same thing as generating. In that case, I am not as careful as I think.”
Again, Anil, adds, “On the other hand, if we don’t understand how consciousness happens in biological brains and bodies, we will not be on solid ground at all in trying to make inferences about when other systems are conscious, whether they are machine learning systems, artificial intelligence systems, other animals, infants or whatever. We will be on very, very unstable ground. So there is a need for consciousness research. What I am saying is that there should not be such an ambitious goal: “Let’s try to build something that is actually conscious, because that’s cool.” For research in this area, there should be some kind of ethical regulation on what is worth doing. What are the pros and cons? What are the risks and rewards? Just as in other areas of research.
This leads us to understand how difficult it is to simulate the human Mind, not so much because of lack of technological means, but because we ourselves are unable to define and understand what a “living being” is.
