Table 3.

ERP ANOVA results for the N1 component at the frontal and central regions

Effect (N1)	F	p	ηp2
Mean amplitude
Environment	4.142	0.056	0.18
Cognitive workload	3.124	0.093	0.14
Region	0.535	0.473	0.03
Environment × Cognitive workload	0.021	0.887	< 0.01
Environment × Region	14.187	0.001**	0.43
Cognitive workload × Region	1.077	0.312	0.05
Environment × Cognitive workload × Region	0.122	0.730	0.01
Peak amplitude
Environment	6.020	0.024*	0.24
Cognitive Workload	0.002	0.967	< 0.01
Region	4.993	0.038*	0.21
Environment × Cognitive workload	0.001	0.977	< 0.01
Environment × Region	14.010	0.001**	0.42
Cognitive workload × Region	0.859	0.366	0.04
Environment × Cognitive workload × Region	0.209	0.653	0.01
Peak latency
Environment	0.455	0.508	0.02
Cognitive workload	0.412	0.529	0.02
Region	1.146	0.298	0.06
Environment × Cognitive workload	0.129	0.723	0.01
Environment × Region	1.542	0.229	0.08
Cognitive workload × Region	0.768	0.392	0.04
Environment × Cognitive workload × Region	< 0.001	0.991	< 0.01

Bold print and *p < 0.05 and **p < 0.01 indicate a statistically significant difference