Investigation on the Neural Mechanism of Hypnosis-Based Respiratory Control Using Functional MRI

Table 3

Brain regions showing significant interstate difference of voxel-wise correlation between neural activity and respiratory motion.

	fALFF				ReHo				DC
	Brain regions	Voxels	NS-r	HS-r	Brain regions	Voxels	NS-r	HS-r	Brain regions	Voxels	NS-r	HS-r
Amplitude	B-CAL	103	−0.62	0.59	B-MCC	155	−0.64	0.54	B-CAL/fusiform	250	−0.52	0.66
	B-fusiform	319	−0.64	0.61	B-cuneus/fusiform	1037	−0.56	0.66	B-MCC	198	−0.61	0.61
	B-cuneus	1064	−0.63	0.60	L-CAL	113	−0.60	0.61	B-cuneus	213	−0.64	0.58
	B-CPL	404	0.47	−0.70	L-insula	99	−0.53	0.67	L-insula/Put	215	−0.68	0.61
	B-MFG/SFG	533	0.60	−0.64	R-caudate/thalamus	242	−0.60	0.59	R-caudate	98	−0.63	0.56
	B-PreC	235	0.65	−0.59	B-MPFC/ACC	599	0.60	−0.66	B-SMA/PreC/PostC	945	0.67	−0.58
	B-IPL	285	0.65	−0.56	B-SMG	188	0.58	−0.59	B-ACC	102	0.57	−0.67
					L-PreC	709	0.59	−0.64	B-PCu/PCC	221	0.51	−0.65
TEI	B-CAL	124	−0.70	0.47	B-PFC	1052	−0.64	0.55	B-CAL	139	−0.53	0.59
	R-MFG/SFG	265	−0.64	0.55	L-SMG	159	−0.66	0.62	B-SMG	195	−0.61	0.59
	B-PCu/PCC	150	−0.57	0.62	L-insula	124	−0.63	0.56	B-PFC	248	−0.75	0.42
	L-SMG	219	−0.62	0.60	B-thalamus	485	0.63	−0.65	B-insula/Put	887	−0.56	0.65
	B-fusiform	205	0.66	−0.53	B-fusiform	494	0.66	−0.56	B-cuneus	102	−0.54	0.61
	B-thalamus	160	0.70	−0.53	B-ACC	112	0.51	−0.71	R-fusiform/CPL	525	0.60	−0.60
	B-SMA/PostC/PreC	534	0.56	−0.68	B-MCC/PostC/PreC	1249	0.61	−0.66	B-SMA/PreC/MCC	1325	0.58	−0.65
					B-LG	316	0.62	−0.58	R-PCu	128	0.62	−0.59
TEE	B-CPL/CAL	241	−0.70	0.50	B-PFG	881	−0.63	0.57	B-CAL	191	−0.57	0.55
	B-PFC	323	−0.64	0.54	B-SMG	207	−0.65	0.58	B-amygdala/Put/insula	855	−0.56	0.65
	L-IPL	144	−0.64	0.59	B-thalamus	439	0.66	−0.61	R-SMG	115	−0.63	0.54
	B-PCu/PCC	85	−0.69	0.58	B-PostC/PreC	1201	0.65	−0.60	B-MPFC/R-MFG	169	−0.73	0.44
	R-insula	97	−0.58	0.68	B-ACC	104	0.60	−0.63	B-CPL	514	0.64	−0.56
	B-SMA/PostC/PreC	412	0.58	−0.64	B-CPL/fusiform	402	0.66	−0.52	B-SMA/PreC/MCC	1443	0.60	−0.64
	B-thalamus	167	0.67	−0.54	B-LG	214	0.68	−0.49	L-MFG	221	0.66	−0.55
	R-fusiform	105	0.71	−0.50

Paired t-test of correlation coefficients of two states across voxels show significant interstate difference () for every cluster. TEI/TEE = tail end of inspiration/expiration; fALFF = fractional amplitude of low frequency fluctuation; ReHo = regional homogeneity; DC = degree centrality; NS-r/HS-r = correlation coefficient in normal/hypnosis state; L/R/B = left/right/bilateral; LG = lingual gyrus; PCu = precuneus; CAL/CPL = cerebellum anterior/posterior lobe; ACC/MCC/PCC = anterior/middle/posterior cingulate cortex; MPFC/PFC = (medial) prefrontal cortex; SFG/MFG/IFG = superior/middle/inferior frontal gyrus; PreC/PostC = precentral/postcentral gyrus; SMA = supplementary motor area; SMG = supramarginal gyrus; IPL = inferior parietal lobule; Put = putamen; fusiform = fusiform gyrus.