Journal of Vision. 2012; 12(9):993. https://doi.org/10.1167/12.9.993

Journal of Vision. 2008; 8(6):1078. https://doi.org/10.1167/8.6.1078

Journal of Vision. 2007; 7(12):11. https://doi.org/10.1167/7.12.11

Journal of Vision. 2006; 6(6):450. https://doi.org/10.1167/6.6.450

Journal of Vision. 2006; 6(6):451. https://doi.org/10.1167/6.6.451

Journal of Vision. 2003; 3(9):397. https://doi.org/10.1167/3.9.397