Grandaverage ERPs at Cz, illustrating the VPP. A: ERPs to feedback stimuli, averaged across all four categories and across tasks, for participants reporting high and low love withdrawal. Participants were divided into groups for displaying purposes only. B: ERPs to happy and disgusted faces, averaged across green and red feedback, and across tasks. C: Scalp voltage distribution of the VPP. Participants reporting higher maternal use of love withdrawal showed a more positive response to the feedback stimuli between 170 and 210 ms after stimulus onset (VPP), F(1,17) = 11.42, p < .01, η2 = .40. More positive amplitudes were also observed in response to disgusted compared to happy faces, F(1,17) = 4.73, p < .05, η2 = .22. ERPs were low-pass filtered at 15 Hz for displaying purposes only.