Fig. 2.

Schematic of the n-back 1 and n-back 2 tasks. A. shows the two tasks, while B. shows the order and timings of the trials within each task. The trauma and neutral word cues were presented in a random order. For the n-back 1 task, the participants were instructed to press a button if the current word was identical to the previous word, while for the n-back 2 task the participants were instructed to press a button if the current word was identical to the word shown two words ago.