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Question

Echo State Network - What is the difference between echo state network and liquid state machine?

Answer

Comparing two methods, the main distinction between the two is that Liquid State Machine (LSM) is a rate-based approximation and Echo State Network (ESN) is a biologically inspired spiking neural network (SNN). Jaeger presented ESN in 2001 while Maass et al. presented LSM in 2002.