58 individuals aged 18 to 65 (mean age = 22.95, s.d. = 3.55; 36 women and 22 men), recruited from University College London (UCL) psychology subject pool, participated in the study. A subset of these (n = 28) undertook the experiment in an MRI scanner and the rest undertook the experiment in testing cubicles. Three MRI participants were subsequently excluded from analysis: one because their structural scan showed a suspected brain abnormality, one because they repeatedly (?