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Journal of Vision. 2007; 7(9):1068. https://doi.org/10.1167/7.9.1068
Journal of Vision. 2006; 6(6):523. https://doi.org/10.1167/6.6.523
Journal of Vision. 2005; 5(8):388. https://doi.org/10.1167/5.8.388
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