Using Hysteresis to Improve Performance in Synchronous Networks

In this paper we present a signal to noise analysis of synchronous attractor networks of hysteretic thresh old elements The addition of hysteresis is known to enhance the capacity and convergence rate of attrac tor networks The aim of this paper is partly to elabo rate on results reported previously by other researchers and to address the issue of whether there is an optimal value for hysteresis Based on the simpli ed analysis reported here we conclude that for a given network loading ratio of patterns stored to network size there is an optimal value of hysteresis but it changes as re covery proceeds to convergence We hypothesize that a time varying hysteresis schedule can be used to en hance the performance of attractor networks