Beyond Hebb: exclusive-OR and biological learning

A learning algorithm for multilayer neural networks based on biologically plausible mechanisms is studied. Motivated by findings in experimental neurobiology, we consider synaptic averaging in the induction of plasticity changes, which happen on a slower time scale than firing dynamics. This mechani...

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Bibliographic Details
Published in:Physical review letters 2000-03, Vol.84 (13), p.3013-3016
Main Authors: Klemm, K, Bornholdt, S, Schuster, H G
Format: Article
Language:English
Subjects:
Brain - physiology
Learning
Memory
Models, Neurological
Physics - methods
Synapses - physiology
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Summary:A learning algorithm for multilayer neural networks based on biologically plausible mechanisms is studied. Motivated by findings in experimental neurobiology, we consider synaptic averaging in the induction of plasticity changes, which happen on a slower time scale than firing dynamics. This mechanism is shown to enable learning of the exclusive-OR (XOR) problem without the aid of error backpropagation, as well as to increase robustness of learning in the presence of noise.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.84.3013