The thermodynamic temperature of a rhythmic spiking network

Details The thermodynamic temperature of a rhythmic spiking network The thermodynamic temperature of a rhythmic spiking network

2010-09-28

arxiv.org/abs/1009.5473v1

Computer Science

Neural and Evolutionary Computing

Scientific paper

Artificial neural networks built from two-state neurons are powerful computational substrates, whose computational ability is well understood by analogy with statistical mechanics. In this work, we introduce similar analogies in the context of spiking neurons in a fixed time window, where excitatory and inhibitory inputs drawn from a Poisson distribution play the role of temperature. For single neurons with a "bandgap" between their inputs and the spike threshold, this temperature allows for stochastic spiking. By imposing a global inhibitory rhythm over the fixed time windows, we connect neurons into a network that exhibits synchronous, clock-like updating akin to neural networks. We implement a single-layer Boltzmann machine without learning to demonstrate our model.

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