Simple constraints for zero-lag synchronous oscillations under STDP

Authors:
Florian Hauser;David Bouchain;Günther Palm
Affiliations:
Institute of Neural Information Processing, Ulm University, Germany;Institute of Neural Information Processing, Ulm University, Germany;Institute of Neural Information Processing, Ulm University, Germany
Venue:
ICANN'10 Proceedings of the 20th international conference on Artificial neural networks: Part I
Year:
2010

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Phenomenological models of synaptic plasticity based on spike timing

Biological Cybernetics - Special Issue: Object Localization

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Abstract

Zero-lag synchronous oscillations have been confirmed several times in biological experiments as well as successfully reproduced and simulated by theoreticians. But it has not been analyzed yet how synaptic changes develop through STDP (spike timing-dependent plasticity) in a neural network of this type, and which physiological parameters have a qualitative influence on the synaptic strengths in long-term behavior. We analytically calculate these synaptic changes based on a simplified scheme which enables us to make conclusions about local and global connectivity patterns with the ability to produce zero-lag synchronous oscillations.