Researchers describe the process that enabled them to make artificial equivalents of two types of neurons—hippocampal and respiratory. They hope that one day it could help treat people with damaged neurons.
The basis for the artificial versions was a set of equations that describe the way neurons talk to each other and respond to electrical stimuli. The researchers then built silicon chips that mimicked the processes of two types of neurons—hippocampal and respiratory—in rats, proving they produced similar responses when provoked by stimuli.
"Our approach combines several breakthroughs. We can very accurately estimate the precise parameters that control any neurons behavior with high certainty,""We have created physical models of the hardware and demonstrated its ability to successfully mimic the behavior of real living neurons. Our third breakthrough is the versatility of our model, which allows for the inclusion of different types and functions of a range of complex mammalian neurons.
"Neuron circuits are highly nonlinear and their parameters are nigh impossible to tune by hand," he told Newsweek. Nogaret said they are now working on smart pacemakers that will use the artificial neurons to react in real-time to pressures put on the heart, in addition to stimulating the heart into action.
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