Table 1. A: Means and standard deviations of the amplitudes in the time window used for statistical analysis (130–220 ms) after the onset of the triplet ending (i.e., after the onset of the third triplet item), separately for the three different ending probabilities (low, intermediate, high).

		ROI mean		left ROI		right ROI
		M	SD	M	SD	M	SD
A	low	2.15	1.19	2.12	1.19	2.18	1.20
	intermediate	2.26	1.31	2.26	1.30	2.27	1.32
	high	2.64	1.35	2.62	1.35	2.66	1.35
B	block 1	0.18	0.55	0.27	0.55	0.10	0.58
	block 2	0.02	0.52	0.04	0.54	0.00	0.52
	block 3	0.03	0.71	0.06	0.69	0.01	0.75
	block 4	−0.18	0.44	−0.12	0.48	−0.23	0.42
	block 5	−0.30	0.57	−0.24	0.58	−0.36	0.58

B: Means and standard deviations of the amplitudes in the time window used for statistical analysis (170–230 ms) after the onset of the first triplet item, separately for the five blocks.

Note: Values in μV.