“…Some investigators have used P300 generated by an auditory stimulus and studied the association with hypoglycemia, peripheral nerve conduction velocities, or cerebral glucose metabolism (49,56,62,75). Only four studies (63, 76 -78) have used visual P300 waveforms generated by a checkerboard stimulus and have examined the specific effects in diabetic (77,78) and nondiabetic (63,76) subjects during conditions of euglycemia (76 -78) and hypoglycemia (63,76,77).…”