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Journal of Vision. 2011; 11(11):1092. https://doi.org/10.1167/11.11.1092
Journal of Vision. 2006; 6(6):539. https://doi.org/10.1167/6.6.539
Journal of Vision. 2004; 4(8):198. https://doi.org/10.1167/4.8.198
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