Table 4. The estimates and t-values of the mixed-effects model for P3 amplitude (measured in mean activity) at lag 3 trials.

	Mixed-effects model
	Estimate	Standard Error	t-value	p-value
Grey dots, T1 (Intercept)	5.336	0.760	7.028	0.000
Red dot	−0.933	0.375	−2.492	0.013
T2	−0.475	0.376	−1.264	0.205
Red dot, T2	0.4286	0.529	0.810	0.416