The Primary Somatosensory Cortex Largely Contributes to the Early Part of the Cortical Response Elicited by Nociceptive Stimuli

Fig. 4. Distributed source analysis of the early activity of laser-evoked potentials. Fig. 5. ICA decomposition of laser-evoked poten-tials. Waveform, topography and sources of early (‘N1-related’) ICs. Fig. 3. Detection of the N1 wave of laser-evoked potentials. Fig. 2. Early activity and scalp topographies of laser-evoked potentials. Fig. 1. N2 and P2 peaks and scalp topographies o