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. 2011 Mar 8;6(3):e17577. doi: 10.1371/journal.pone.0017577

Figure 1. Schematic design of the experiment.

Figure 1

The presentation order of the conditions was counterbalanced between subjects. In the ASRT task blocks 1, 8 and 15 were single task (ST) blocks without parallel task, whereas in other blocks (2–7; 9–14) our subjects had to perform one of the three parallel tasks as well (DT condition).