Wilson-Cowan, Neural Fields, Visual Hallucinations

Jack D. Cowan:
http://en.wikipedia.org/wiki/Wilson-Cowan_model
http://www.scholarpedia.org/article/Models_of_visual_hallucinations

Paul C. Bressloff:
http://www.math.utah.edu/~bresslof/

Stephen Coombes:
http://www.maths.nott.ac.uk/personal/sc/
http://www.scholarpedia.org/article/Neural_fields