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. 2012 Nov 14;7(11):e48808. doi: 10.1371/journal.pone.0048808

Figure 1. Trial time line.

Figure 1

A horizontal black arrow (S1) was presented below fixation for 16.7 ms, followed by a larger horizontal arrow (S2) for 66.7 ms with an SOA of 83.3 ms. During each trial a single TMS pulse was delivered over EVC at any of 20 different time points time-locked to S1 (range from −80 to 300 ms in steps of 20 ms). In the recognition task, participants were required to indicate via button press whether they had perceived the first arrow consciously or not. By a second button press they indicated whether they thought the first arrow pointed leftward or rightward. In the priming task, participants were required to indicate via button press whether they thought the second arrow pointed leftward or rightward.