Contrast response in visual cortex: Quantitative assessment with intrinsic optical signal imaging and neural firing. - Chang'an A. Zhan; Timothy Ledgeway; Curtis L. Baker Jr. (NeuroImage, 2005)

Visual motion integration is mediated by directional ambiguities in local motion signals. - Francesca Rocchi; Timothy Ledgeway; Ben S. Webb (Frontiers Comput. Neurosci., 2013)