Choice phase—fear of shocks
shock
SHOCKS, SHOCK
This phase included a 15-trials block. Following 2 practice trials, the task started. Each trial began with a fixation cross (2100–2900 ms), followed by a Again, to maximize fear, participants were not informed about the chances of receiving a shock and were told that shocks could appear at any time after the implementation screen presentation and could be of different durations. Three “safe trials” (distributed pseudo-randomly in the block) were also included.