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. 2011 Apr 25;108(19):7733–7738. doi: 10.1073/pnas.1018707108

Fig. 1.

Fig. 1.

Software workflow. Each examiner was assigned a distinct, randomized sequence of image pairs. For each pair, the latent was presented first for a value decision; if it was determined to be no value, the test proceeded directly to the latent from the next image pair; otherwise, an exemplar was presented for comparison and evaluation (SI Appendix, section 1.5).