Table 2.

Medication amplitude effects

Region	Frequency	Premedication Amplitude, nAm	Postmedication Amplitude, nAm	t	P
Left primary motor cortex	Delta	32.96 (2.24)	37.37 (2.12)	2.17	0.047
	Theta	30.91 (3.06)	35.62 (3.13)	2.62	0.020
	Alpha	52.22 (4.54)	58.83 (3.92)	3.54	0.003
	Beta	111.63 (6.24)	125.03 (5.73)	2.54	0.024
Left SMA	Delta	33.35 (2.67)	38.05 (2.32)	2.27	0.040
	Theta	31.07 (3.36)	35.63 (2.65)	3.08	0.008
	Alpha	47.75 (3.79)	56.27 (3.78)	2.30	0.037
	Beta	116.02 (10.04)	135.24 (9.73)	2.54	0.024
Right primary motor cortex	Delta	34.11 (3.22)	38.17 (2.32)	1.82	0.090
	Theta	33.79 (5.33)	36.81 (3.37)	1.98	0.068
	Alpha	55.53 (5.42)	61.60 (5.20)	1.97	0.068
	Beta	114.83 (7.96)	131.85 (9.34)	2.93	0.011
Right SMA	Delta	33.16 (2.93)	36.91 (2.91)	1.63	0.126
	Theta	30.53 (3.11)	33.83 (2.94)	0.84	0.413
	Alpha	47.96 (4.68)	53.73 (4.73)	1.47	0.164
	Beta	110.59 (9.46)	125.65 (37.91)	1.94	0.073

Amplitude values are shown as means (SE).

SMA, supplementary motor area.

Significant increases in amplitude from pre- to postmedication are shown in bold.