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Changes of pupil diameter in the face and nonsocial stimuli conditions for the placebo (A) and oxytocin (B) group. (C) Baseline pupil diameter. Average changes of pupil diameter between 1 and 3 s (D), between 1 and 1.6 s (E), between 1.7 and 2.3 s (F) and between 2.4 and 3 s (G). Error bars indicate standard error of the mean, *p<0.05.
