Part of Advances in Neural Information Processing Systems 3 (NIPS 1990)
J.D. Cowan, A. Friedman
Simple classical spin models well-known to physicists as the ANNNI and Heisenberg XY Models. in which long-range interactions occur in a pattern given by the Mexican Hat operator. can generate many of the structural properties characteristic of the ocular dominance columns and iso-orientation patches seen in cat and primate visual cortex.