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Journal of Vision. 2009; 9(8):711. https://doi.org/10.1167/9.8.711
Journal of Vision. 2008; 8(6):1146. https://doi.org/10.1167/8.6.1146
Journal of Vision. 2006; 6(6):181. https://doi.org/10.1167/6.6.181
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