https://papers.nips.cc/paper/1883-position-variance-recurrence-and-perceptual-learning.pdf (Publisher version)
Li, Z., & Dayan, P. (2001). Position Variance, Recurrence and Perceptual Learning. In T. Leen, T. Dietterich, & V. Tresp (Eds.), Advances in Neural Information Processing Systems 13 (pp. 31-37). Cambridge, MA, USA: MIT Press.