Table 1.

Bayesian ordered-beta mixed–effects model output. Alpha p-episode at −1,500 to 0 ms for the Early and Late targets, as a function of focus and electrode cluster

Predictor	Early target			Late target
	Estimate	Est. error	95% CI	Estimate	Est. error	95% CI
Intercept	0.22	0.06	[0.11 0.33]*	0.17	0.06	[0.05 0.30]*
Focus (Focused)	−0.01	0.03	[−0.08 0.06]	0.06	0.04	[−0.01 0.14]
Cluster (left frontal)	−0.22	0.01	[−0.25 −0.20]*	−0.25	0.01	[−0.28 −0.23]*
Cluster (left posterior)	0.26	0.01	[0.24 0.29]*	0.31	0.01	[0.28 0.33]*
Cluster (left temporal)	0.05	0.01	[0.03 0.08]*	0.05	0.01	[0.02 0.08]*
Cluster (midfrontal)	−0.29	0.01	[−0.31 −0.26]*	−0.30	0.01	[−0.33 −0.27]*
Cluster (midposterior)	0.26	0.01	[0.23 0.29]*	0.33	0.01	[0.30 0.36]*
Cluster (right frontal)	−0.28	0.01	[−0.30 −0.25]*	−0.28	0.01	[−0.30 −0.25]*
Cluster (right posterior)	0.26	0.01	[0.23 0.29]*	0.31	0.01	[0.28 0.33]*
Cluster (right temporal)	0.01	0.01	[−0.01 0.04]	0.02	0.01	[−0.01 0.05]
Focus × left frontal	0.05	0.02	[0.01 0.08]*	−0.00	0.02	[−0.04 0.03]
Focus × left posterior	0.03	0.02	[−0.01 0.06]	−0.02	0.02	[−0.06 0.01]
Focus × left temporal	0.01	0.02	[−0.02 0.05]	−0.02	0.02	[−0.06 0.01]
Focus × midfrontal	0.04	0.02	[0.00 0.08]*	−0.00	0.02	[−0.04 0.04]
Focus × mid posterior	0.03	0.02	[−0.01 0.07]	−0.01	0.02	[−0.05 0.03]
Focus × right frontal	0.05	0.02	[0.02 0.09]*	−0.02	0.02	[−0.06 0.01]
Focus × right posterior	0.03	0.02	[−0.01 0.06]	0.00	0.02	[−0.03 0.04]
Focus × right temporal	0.04	0.02	[0.00 0.08]*	−0.02	0.02	[−0.06 0.02]

Note.*95% CI do not overlap with 0. Fixed effects were treatment-coded, using the Defocused condition and the Central cluster as reference levels.