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. 2014 Mar 13;14(3):18. doi: 10.1167/14.3.18

Figure 1.

Figure 1

Two search tasks. Most observers can rapidly identify the image in row A that is identical to the top image, in spite of the difference in orientation. Identifying the image in row B that consists of the same type of tree bark as the top image is trivially easy, in spite of the fact that the two images are entirely different, pixel-for-pixel.