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Table 5 Group comparison of ERP components elicited by the talker’s face and by pictures

From: Atypical audiovisual word processing in school-age children with a history of specific language impairment: an event-related potential study

ERP component H-SLI TD F p η p 2
Talker’s face
P1
Peak amplitude (μV) 15.61 (7.81) 22.52 (12.68) 4.489 0.041 0.114
 Peak latency (sec) 0.141 (0.017) 0.136 (0.016) 1.12 0.297 0.031
N1
 Peak amplitude (μV) 5.31 (8.91) 4.3 (13.84) <1   
 Peak latency (sec) 0.204 (0.018) 0.203 (0.017) <1   
P2
 Peak amplitude (μV) 18.57 (10.1) 21.61 (11.17) <1   
 Peak latency (sec) 0.31 (0.025) 0.32 (0.026) 2.395 0.13 0.062
Pictures
P1
 Peak amplitude (μV) 10.8 (7.77) 15.7 (10.11) 2.909 0.097 0.075
Peak latency (sec) 0.14 (0.019) 0.128 (0.01) 7.763 0.008 0.177
N1
 Peak amplitude (μV) 2.68 (7.43) -0.318 (9.1) 1.377 0.248 0.037
 Peak latency (sec) 0.203 (0.016) 0.202 (0.02) <1   
P2
 Peak amplitude (μV) 14.49 (10.57) 13.39 (10.07) <1   
 Peak latency (sec) 0.313 (0.023) 0.322 (0.021) 2.105 0.155 0.055
  1. Significant results are shown in italics. Numbers in parentheses are standard deviations