Fig. 1From: The anterior insula and anterior cingulate cortex are associated with avoidance of dental treatment based on prior experience of treatment in healthy adultsExperimental paradigm. During the fMRI scan, the participants were asked to perform re-experience tasks (REXP, 20 trials), counting tasks (COUNT, 20 trials) and visual control tasks (SCM, 10 trials). The REXP and the COUNT tasks consisted of three phase: (1) cue (2 s), (2) stimulus (9 s for the REXP and the COUNT tasks and 6 s for the SCM task), and (3) fixation (3 or 5 s)Back to article page