Some interactions of the vertex potentials.
D001921:Brain / Q000502:physiology*; D004594:Electrophysiology; D004597:Electroshock; D005071:Evoked Potentials; D005385:Fingers; D006801:Humans; D008475:Median Nerve / Q000502:physiology; D009622:Noise; D013933:Thumb; D014732:Vibration