Table 3.

Mixed-effects model output. Mean ERP amplitude at 300–500 ms for the Early and Late targets, as a function of focus and electrode cluster

Predictor	Early target			Late target
	β	SE	p	β	SE	p
(Intercept)	−3.23	0.35	<0.001***	−3.15	0.37	<0.001***
Focus (focused)	−0.36	0.32	0.258	−0.31	0.32	0.336
Cluster (left frontal)	1.03	0.29	<0.001***	2.32	0.33	<0.001***
Cluster (left posterior)	2.18	0.30	<0.001***	1.09	0.34	0.002**
Cluster (left temporal)	1.45	0.31	<0.001***	1.37	0.35	<0.001***
Cluster (midfrontal)	0.98	0.31	0.003**	1.77	0.35	<0.001***
Cluster (midposterior)	1.42	0.31	<0.001***	0.30	0.35	0.396
Cluster (right frontal)	1.20	0.29	<0.001***	2.02	0.33	<0.001***
Cluster (right posterior)	2.00	0.30	<0.001***	0.86	0.34	0.014*
Cluster (right temporal)	1.22	0.31	<0.001***	1.02	0.35	0.006**
Focus × left frontal	−0.16	0.15	0.291	−0.96	0.16	<0.001***
Focus × left posterior	0.44	0.16	0.006**	0.90	0.16	<0.001***
Focus × left temporal	0.25	0.16	0.123	0.07	0.17	0.688
Focus × mid frontal	−0.26	0.16	0.118	−0.71	0.17	<0.001***
Focus × midposterior	0.14	0.16	0.379	0.83	0.17	<0.001***
Focus × right frontal	−0.01	0.15	0.965	−0.28	0.16	0.070
Focus × right posterior	0.09	0.16	0.563	0.83	0.16	<0.001***
Focus × right temporal	0.03	0.16	0.853	0.29	0.17	0.082

Note. Significance codes: ***p < 0.001; **p < 0.01; *p < 0.05; p < 0.10. Fixed effects were treatment-coded, using the Defocused condition and the Central cluster as reference levels. SE, standard error.