N1_evoked_ave40_F4_R2 2 48000 2002 N1_evoked_ave40_F4_R2.dat 32 7.0905e-011/nV N1_evoked_ave40_F4_R2.dat 32 0.00039438/V ##: 40 :4 : r :3918 :1.4871 : 2.571 : Normal