Fig. 3From: Altered neurophysiological responses during empathy for pain in insomnia: evidence from an EEG study in non-clinical samplesERP waveforms for the empathy for pain task. The red- and blue-shaded areas represent the standard error of the mean (SEM); *p < 0.05. ***p < 0.001. A N2 component, time windows 230–330 ms. B P2 component, time windows 120–180 ms. C LPC component, time windows 300–600 msBack to article page