Table 2 ERP reduction (AV–AO) in latency (ms) and amplitude (μV) for each electrode in each language group.

From: Language/Culture Modulates Brain and Gaze Processes in Audiovisual Speech Perception

Peak latency (Cz) Peak amplitude (Cz)
  Median U value p   Median U value p
ESs JSs ESs JSs
N1 −9.25 −15.25 39.5 0.54 N1 0.65 0.71 42 0.67
P2 −19.00 −2.50 15 * P2 −0.74 0.51 8 **
N1 window (70–120 ms) amplitude P2 window (170–220 ms) amplitude
Electrode Median U value p Electrode Median U value p
ESs JSs ESs JSs
C3 0.03 0.32 22 * C3 −1.25 0.88 14 **
C4 0.31 0.56 44 0.79 C4 −0.22 0.99 21 *
P3 0.43 0.20 39 0.51 P3 −0.48 0.70 20 *
Pz 0.75 0.66 47 0.97 Pz −0.21 0.90 18 *
P4 0.45 0.51 45 0.85 P4 −0.32 0.69 17 *
O1 0.32 0.81 31 0.20 O1 −0.17 1.70 11 **
O2 0.82 0.76 43 0.73 O2 0.09 1.53 16 *
  1. Group differences were tested using the Mann-Whitney U Test. Asterisks indicate significant group differences (* for p < 0.05. ** for p < 0.01).