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. 2013 Jun 1;36(6):849–856. doi: 10.5665/sleep.2710

Figure 1.

Figure 1

Stimuli from the color recall task. Participants were presented with an array of colored squares, followed by a multicolor mask. After a blank retention interval of 1 or 10 s, one of the locations was cued. Participants adjusted the position of the indicator bar on the color wheel to match the remembered color at the cued location.