Do we know what the early visual system does?
Carandini M, Demb JB, Mante V, Tolhurst DJ, Dan Y, Olshausen BA, Gallant JL, Rust NC (2005). Journal of Neuroscience.
Spatiotemporal elements of macaque V1 receptive fields
Rust NC, Schwartz O, Movshon JA, Simoncelli EP (2005). Neuron.