Sir, – The use of virtual neurons to model human brain cells using mathematical techniques seems a very promising avenue of research in learning how human beings actually think (Chris Johns, “AI is getting smarter – A new approach counters widely held belief that AI systems have to be scaled to colossal numbers of neurons to solve real-world problems”, Innovation, August 10th).
It is sobering to consider that our most successful scientific theories describing the atoms that our neurons are composed of also exclusively use mathematical techniques to model “real” atomic properties and behaviour.
So which is real and which is the model, or are they both the same? – Yours, etc,
SEAN McGIBBON,
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Kilkenny.
