Fig. 1From: The impact of attack frequency and duration on neurocognitive processing in migraine sufferers: evidence from event-related potentials using a modified oddball paradigmThe grand averaged ERP waveforms in migraine patients and healthy controls, respectively. The sites include scalp midline electrodes Fz, Cz and Pz. Original waveforms are elicited by standard (black), target (blue) and novel stimuli (red line)Back to article page