Researchers demonstrate how nanowire networks exhibit short as well as long-term memory.
A team of scientists at the University of Sydney have demonstrated that short and long-term memory which is generally associated with the human brain can be reproduced in non-biological hardware as well.
In their study, the researchers found that nanowires, a type of nanotechnology made from tiny and highly conductive wires invisible to the naked eye, mimicked the human brain’s activity in identifying and remembering an image from memory.Nanowire networks are scattered across like a mesh, mimicking the structure of a human brain.
Two features that were central to their study were learning and memory. The team used a test called the ‘n-back task’, which is used for measuring memory in human beings. It involves presenting a stimulus sequence, which could be a series of images, and comparing each new entry with one that occurred some steps ago., they explain: For a person, the n-back task might involve remembering a specific picture of a cat from a series of feline images presented in a sequence.
And upon reinforcement, the researchers saw a massive improvement. The nanowire network could reach a point where reinforcement is not needed because the information was now a part of its memory.said“Our current work paves the way towards replicating brain-like learning and memory in non-biological hardware systems and suggests that the underlying nature of brain-like intelligence may be physical,” said Dr.
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