Shulou(Shulou.com)11/24 Report--

CTOnews.com, April 25 (Xinhua) the human brain can process information through a network of connections between neurons and synapses, and this network structure can also be imitated by nanotechnology.

Nanowire network (Nanowire network) is a kind of nanotechnology, which is usually made of highly conductive silver wires invisible to the naked eye, covered with plastic materials and formed a network structure. They can self-assemble into a dynamic complex network with memory and processing capabilities, similar to the human brain. Now, an international team of researchers at the University of Sydney has shown that nanowire networks are not only similar to the human brain, but also can learn and remember like the human brain.

CTOnews.com Note: the brain's neural networks (left) and nanowire networks (right) used a test called the n-back test to assess human working memory. In this test, subjects were asked to determine whether each item in a series of letters or images matched the previous "n" items.

In general, humans have an n-back score of 7, which means they can identify seven items that have appeared before. In order for nanowire networks to carry out this test, the researchers regulate the voltage to guide path changes in the network, thereby enhancing their memory capacity and accuracy. It turns out that nanowire networks can also "remember" the endpoints of the first seven steps in the circuit, similar to human memory.

The researchers say the study shows that nanowire networks can simulate advanced cognitive functions in non-biological hardware systems, which are often associated with the human brain. This paves the way for replicating learning and memory abilities similar to human intelligence in robots or sensor devices, and suggests that the nature of human intelligence may be physical. The study is published in the journal Progress of Science.

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