Table 3.

Results of spectral density analyses: t tests by treatment and scan (baseline or follow-up)

Region of interest	Role	Comparison		freq (mHz)	t	p
R lateral parietal ctx.	Network hub	Controls at follow-up	> Controls at baseline	9.58	− 2.4496	0.0314
		Practitioners at follow-up	> Practitioners at baseline	0.21	+ 2.5469	0.0235
				5.21	− 2.2669	0.0344
				7.71	+ 2.1077	0.0496
				11.46	− 2.3487	0.0321
		Practitioners at baseline	> Controls at baseline	9.58	+ 2.5579	0.0272
		Practitioners at follow-up	> Controls at follow-up	Not significant
L supramarginal g.	Vertex	Controls at follow-up	> Controls at baseline	Not significant
		Practitioners at baseline	> Controls at baseline	8.33	− 2.2392	0.0393
				9.79	− 2.0850	0.0497
		Practitioners at baseline	> Controls at baseline	4.58	− 2.4883	0.0252
				5.42	− 2.2572	0.0356
				10.00	− 2.2853	0.0344
		Practitioners at follow-up	> Controls at follow-up	Not significant
R supramarginal g.	Vertex	Controls at follow-up	> Controls at baseline	1.04	+ 2.2975	0.0460
		Practitioners at follow-up	> Practitioners at baseline	9.17	− 2.1101	0.0495
		Practitioners at baseline	> Controls at baseline	1.04	− 2.2534	0.0368
		Practitioners at follow-up	> Controls at follow-up	Not significant

STG superior temporal gyrus, freq (mHz) frequency in millihertz. Only differences significant at p ≤ 0.05 are shown