Self-organization of color opponent receptive fields and laterally connected orientation maps (2005)
Long-range lateral connections in the primary visual cortex (V1) are known to link neurons with similar orientation preferences, but it is not yet known how color-selective cells are connected. Using a self-organizing model of V1 with natural color image input, we show that realistic color-selective receptive fields, color maps, and orientation maps develop. Connections between orientation-selective cells match previous experimental results, and the model predicts that color-selective cells will primarily connect to other cells with similar chromatic preferences. These findings suggest that a single self-organizing system may underlie the development of orientation selectivity, color selectivity, and lateral connectivity.
Neurocomputing, 65--66:69-76, 2005.

James A. Bednar Postdoctoral Alumni jbednar [at] inf ed ac uk
Judah De Paula Ph.D. Alumni
Risto Miikkulainen Faculty risto [at] cs utexas edu