Williams PE, Shapley RM (2007). A dynamic nonlinearity and spatial phase specificity in macaque V1 neurons. J Neurosci 27:5706-5718.
Williams PE, Mechler F, Gordon J, Shapley R, Hawken MJ (2004) Entrainment to video displays in primary visual cortex of macaque and humans. J Neurosci 24:8278-8288.
Carrasco M, Williams PE, and Yeshurun Y (2002) Covert attention increases spatial resolution with or without masks: Support for signal enhancement. J Vision 2:467-479.