Table 3.

Tonic and Acute Changes in Thalamic Gamma-Aminobutyric Acid Levels

Tonic	Scan 1	Scan 2	(Scan 2–Scan 1)	t	df	p
Yoga group	0.065 ± 0.020	0.061 ± 0.021	−0.004 ± 0.017	−1.01	18	0.33
Walking group	0.059 ± 0.023	0.060 ± 0.014	0.000 ± 0.020	0.04	14	0.97

Acute	Scan 2	Scan 3	(Scan 3–Scan 2)	t	df	p
Yoga group	0.058 ± 0.018	0.067 ± 0.019	0.009 ± 0.020	1.80	17	0.09
Walking group	0.060 ± 0.014	0.059 ± 0.019	−0.000 ± 0.017	−0.10	14	0.92

df, degrees of freedom.