Table 4.

Mixed-effects model output. Mean ERP amplitude at 600–1,000 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)	−2.65	0.34	<0.001***	−1.35	0.33	<0.001***
Focus (Focused)	0.70	0.39	0.079	1.08	0.40	0.009**
Cluster (left frontal)	0.78	0.12	<0.001***	0.35	0.13	0.006**
Cluster (left posterior)	2.52	0.13	<0.001***	1.46	0.13	<0.001***
Cluster (left temporal)	1.64	0.14	<0.001***	0.84	0.14	<0.001***
Cluster (midfrontal)	0.62	0.16	<0.001***	0.43	0.16	0.007**
Cluster (midposterior)	1.63	0.14	<0.001***	1.07	0.14	<0.001***
Cluster (right frontal)	1.04	0.12	<0.001***	0.02	0.13	0.878
Cluster (right posterior)	2.15	0.13	<0.001***	1.25	0.13	<0.001***
Cluster (right temporal)	1.37	0.14	<0.001***	0.45	0.14	0.001**
Focus × left frontal	−1.10	0.18	<0.001***	−2.13	0.18	<0.001***
Focus × left posterior	−0.32	0.19	0.083	0.26	0.19	0.176
Focus × left temporal	−0.55	0.20	0.005**	−0.62	0.20	0.002**
Focus × midfrontal	−0.77	0.22	<0.001***	−1.40	0.22	<0.001***
Focus × midposterior	−0.02	0.20	0.907	0.49	0.20	0.013*
Focus × right frontal	−0.80	0.18	<0.001***	−0.76	0.18	<0.001***
Focus × right posterior	−0.18	0.19	0.348	0.32	0.19	0.094
Focus × right temporal	−0.31	0.20	0.112	0.17	0.20	0.384

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.