Table 1.

Mean gray matter volume (mm³) with standard deviation of regions of interest at pre-and post-intervention for each intervention group

Region	Mean GMV±SD				Statistics
	Kundalini yoga group (n=7)		Psychoeducation group (n=4)
	Pre	Post	Pre	Post	Group × time interaction effect	Effect size (ηp2)
Right hippocampus	0.492±0.025	0.498±0.027	0.485±0.045	0.482±0.049	F(1,9)=6.210 P=0.034*	0.408
Left hippocampus	0.417±0.023	0.422±0.022	0.429±0.059	0.426±0.056	F(1,9)=4.747 P=0.058	0.345
Right posterior cingulate cortex	0.371±0.036	0.376±0.038	0.392±0.048	0.393±0.046	F(1,9)=1.898 P=0.202	0.174
Left posterior cingulate cortex	0.347±0.038	0.353±0.041	0.372±0.047	0.372±0.045	F(1,9)=2.284 P=0.165	0.202

*Significant effect at P<0.05. Results for the group-time interaction effect are also shown alongside the partial-eta squared effect size. SD: Standard deviation, GMV: Gray matter volume