Contrast dependence of Vernier (VRN) displacement thresholds assessed by steady-state sweep vep supports the hypothesis that magnocellular input to cortex underlies VRN performance - Hamer, R. D.; Ventura, Dora Selma Fix; Carvalho, F. A.; Camargo, M. V. A. (International Symposium on Vision and Visual Dysfunctions Abstracts Book, 2010)