Table 2. Summary of the ERAN amplitudes (difference potentials: regular subtracted from irregular chords) in the non-cued and the cued conditions for all participants (mean, with standard deviation in parentheses).

condition	all participants (n = 40)
	right anterior ROI	central anterior ROI	left anterior ROI
no-cue (μV)	−1.50 (1.71)	−1.76 (2.02)	−1.38 (1.68)
cue (μV)	−1.66 (1.63)	−1.73 (1.79)	−1.36 (1.43)