Table 2.

Pre- to Posttask change in EEG power (t values): negative values indicate an increase in EEG power. Significant changes are identified as * ≤0.05, ** ≤0.001, and *** ≤0.0001.

	Delta	Theta	Alpha	Beta
Lesioned hemisphere
Frontal	−2.84**	−3.42**	−3.60***	−1.86
Central	−0.73	−2.73**	−3.54**	−3.69**
Parietal	−0.40	−1.58	−2.50**	−4.39***
Occipital	−0.93	−2.70**	−2.99**	−0.41
Nonlesioned hemisphere
Frontal	−0.57	−1.91	−3.15**	−1.42
Central	−0.64	−2.34*	−5.38***	−3.68***
Parietal	−1.62	−1.28	−3.57**	−4.72***
Occipital	−1.60	−1.82	−3.38**	−0.61
Controls
Frontal	−0.70	−4.06***	−4.32***	−4.96***
Central	0.79	1.79	−3.38**	−4.63***
Parietal	−0.32	−2.11*	−1.90	−2.72**
Occipital	−1.42	−2.31*	−3.67**	−1.01