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. 2015 Dec 22;6:1945. doi: 10.3389/fpsyg.2015.01945

Figure 1.

Figure 1

Experimental protocol and illustration of the different types of adaptors. In the beginning of each trial a fixation cross was presented in the center of the screen for a short interval ranging randomly between 500 and 700 ms, followed by one of the four adaptors (from top to bottom: No, signaled by a black frame; DiffID, signaled by green; SameID, signaled by orange; and RS, signaled by red) which was visible for either 200, 1200, 2000, 3500, or 5000 ms. This was followed by the presentation of a blank screen for 500 ms, and then the test face was displayed for 200 ms.