A new synaptic plasticity rule for networks of spiking neurons

IEEE Transactions on Neural Networks
Waldemar SwierczScott Sagel

Abstract

In this paper, we describe a new Synaptic Plasticity Activity Rule (SAPR) developed for use in networks of spiking neurons. Such networks can be used for simulations of physiological experiments as well as for other computations like image analysis. Most synaptic plasticity rules use artificially defined functions to modify synaptic connection strengths. In contrast, our rule makes use of the existing postsynaptic potential values to compute the value of adjustment. The network of spiking neurons we consider consists of excitatory and inhibitory neurons. Each neuron is implemented as an integrate-and-fire model that accurately mimics the behavior of biological neurons. To test performance of our new plasticity rule we designed a model of a biologically-inspired signal processing system, and used it for object detection in eye images of diabetic retinopathy patients, and lung images of cystic fibrosis patients. The results show that the network detects the edges of objects within an image, essentially segmenting it. Our ultimate goal, however, is not the development of an image segmentation tool that would be more efficient than nonbiological algorithms, but developing a physiologically correct neural network model that could be...Continue Reading

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Citations

Apr 7, 2007·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Waldemar SwierczKevin Staley
Nov 30, 2007·Neural Computation·Jeffrey J Lovelace, Krzysztof J Cios
Sep 30, 2008·BioData Mining·Jesús S Aguilar-RuizMarylyn D Ritchie
Mar 2, 2012·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Helen R SabolekKevin J Staley
Mar 23, 2011·IEEE Transactions on Neural Networks·Vassilis VassiliadesChris Christodoulou
May 10, 2011·IEEE Transactions on Neural Networks·Tetsuya Hishiki, Hiroyuki Torikai
Nov 5, 2010·IEEE Transactions on Neural Networks·Joo-Heon ShinKrzysztof J Cios
Mar 16, 2011·IEEE Transactions on Bio-medical Engineering·Hun Ki LimKrzysztof J Cios
May 21, 2008·Biological cybernetics·Abigail MorrisonWulfram Gerstner
Apr 14, 2018·Biological cybernetics·Pietro QuaglioSonja Grün
Mar 9, 2017·International Journal of Neural Systems·Xu ZhangSilvia Ferrari

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