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Journal of Vision. 2005; 5(8):335. https://doi.org/10.1167/5.8.335

Journal of Vision. 2003; 3(9):403. https://doi.org/10.1167/3.9.403

Journal of Vision. 2003; 3(9):504. https://doi.org/10.1167/3.9.504

Journal of Vision. 2002; 2(7):510. https://doi.org/10.1167/2.7.510