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. 2020 Jun 2;10:8940. doi: 10.1038/s41598-020-65739-x

Figure 1.

Figure 1

An overview of the Operation span task with Klingon letters. In each trial participants indicated whether a proposed mathematical solution was true or false, followed by brief feedback (“correct” vs. “incorrect” for 250 ms). Then, a Klingon letter was shown for 1200 ms which they were asked to remember. After two to five letters they were prompted to recall the letters and their position order.