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Journal of Vision. 2012; 12(9):1188. https://doi.org/10.1167/12.9.1188
Journal of Vision. 2006; 6(6):590. https://doi.org/10.1167/6.6.590
Journal of Vision. 2004; 4(8):905. https://doi.org/10.1167/4.8.905
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