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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Comp Psychol. 2015 Aug 17;129(4):347–355. doi: 10.1037/a0039595

Figure 1.

Figure 1

(A) An example of a regular classification trial. There was no reveal button, and the monkeys had to touch the image (FR2) for the category symbols to appear for a decision. Each category symbol was always presented at the same corner. (B) An example of a trial in Experiment 1. The image was completely occluded by gray blockers at the beginning of each trial, but the size of these blockers as well as the “information” given per reveal button touch decreased across sessions. (C) An example of a probe trial in Experiment 2. The image was shrunken to the size of a 60×80 blocker, and the timing for it to be revealed was manipulated.