Table 4.

Amplitude and latency measures for N2, ERN, Pe, ΔN2, ∆ERN, and ΔPe (within-subjects standard errors in parentheses).

	Concussed	Control	F	p-value
Mean amplitude (μV)
N2
Congruent	1.62 (0.66)	2.94 (0.74)	1.77	.19
Incongruent	0.84 (0.62)	2.42 (0.65)	3.33	.08
ERN
Correct	3.98 (0.91)	2.75 (0.91)	0.90	.35
Error	−4.37 (1.15)	−1.34 (1.11)	3.46	.07
Pe
Correct	3.37 (0.53)	1.61 (0.51)	5.48	.02
Error	7.09 (1.07)	8.00 (1.63)	0.23	.63
Difference waves
ΔN2	−0.78 (0.40)	−0.53 (0.47)	0.18	.68
ΔERN*	−8.35 (1.53)	−4.09 (1.19)	4.46	.04
ΔPe	3.72 (1.16)	6.39 (1.59)	1.93	.17
Centroid latency (ms)
N2
Congruent	273.2 (16.3)	280.2 (19.2)	1.83	.20
Incongruent	282.5 (14.7)	282.6 (19.5)	0.01	.98
ERN
Correct	47.8 (4.2)	51.4 (3.8)	1.90	.18
Error	45.7 (3.6)	50.8 (4.9)	1.73	.19

Note. ΔN2 = incongruent – congruent difference wave; ∆ERN = error – correct difference wave; ΔPe = error – correct difference wave;

^*p < .05.