primary somatosensory cortex to somatosensory stimulation of the upper extremity.
Knowledge of the underlying generators is important for basic understanding of the initial
sequence of cortical activation. Materials and Methods: In the present study, normative data
of cortical evoked potentials in particular of N20 wave onset and peak latencies by median
nerve stimulation in a group of 100 medical students aged between 18 and 30 years were …