TABLE 4.

Cortical thickness and gray matter volume changes in ROI-based analysis between the meditation and non-meditation groups in both hemispheres.

ROI name	Meditation group (N = 11)	Non-meditation group (Focused task+treatment) (N = 11)	Mann–Whitney U test
	Median SPC (Q1, Q3)		W (P-value, r- value)
Cortical thickness (Meditation > Non-meditation)
Left caudal middle frontal	5.517(−0.006,13.246)	−1.606(−15.83,0.37)	96(0.019,0.58)
Left rostral middle frontal	5.23(1.32,17.97)	0.942(−5.93,3.95)	93(0.034,0.53)
Cortical thickness (Meditation < Non-meditation)
Left entorhinal cortex	−9.80(−15.40,−3.54)	−8.46(−3.48,15.36)	27(0.028,−0.55)
Left parahippocampal	−8.46(−18.62,−2.46)	3.33(−7.97,8.11)	28(0.034,−0.53)
Right isthmus cingulate	−12.34(−20.73,−3.05)	−2.00(−4.80,7.98)	30(0.047,−0.50)
Right pericalcarine	−8.48(−11.20,−6.61)	−0.85(−6.05,6.60)	28(0.034,−0.53)
Right posterior cingulate cortex	−11.82(−18.97,2.93)	11.49(0.56,15.20)	29(0.040,−0.52)
Gray Matter Volume (Meditation > Non-meditation)
Left caudal middle frontal	4.47(−2.94,9.98)	−6.38(−29.35,0.080)	95(0.023,0.57)
Left lateral occipital	1.59(−7.93,5.66)	−15.94(−24.76,−5.17)	97(0.016,0.60)
Left rostral middle frontal	6.25(4.08,13.80)	−1.21(−12.63,3.54)	96(0.022,0.58)
Right inferior parietal	0.54(−4.73,4.44)	−8.73(−11.52,−2.99)	93(0.034,0.53)
Right superior frontal	4.98(−1.19,5.28)	−8.84(−15.03,2.12)	91(0.047,0.50)
Gray Matter Volume (Meditation < Non-meditation)
Right entorhinal cortex	−21.29(−38.83,−7.37)	2.29(−13.87,19.97)	27(0.028,−0.55)

The level of significance (p-value), the rank biserial correlation effect size (r-value) of the Mann–Whitney U test is reported.