I thought some of you may be interested in this paper
The Coding of Color, Motion, and Their Conjunction in the Human Visual Cortex
Kiley Seymour,Colin W.G. Clifford,Nikos K. Logothetis, and Andreas Bartels
http://www.cell.com/current-biology/abstract/S0960-9822(09)00544-2
Silvia Gennari Department of Psychology University of York York, YO10 5DD United Kingdom