Table 3.

Areas of brain activation induced by sham acupuncture stimulation of the right Tongli (HT₅) acupoint.

Coordinates of local maxima			Brain region	% cluster	Number of voxels cluster %	Label	Number of voxels label	T value
X	Y	Z
–27	–67	19	Occipital_Mid_L	63.67	311	20.44	3270	7.57
24	–61	–47	Cerebelum_8_R	100.00	15	2.19	2308	6.48
51	–13	28	Postcentral_R	58.06	62	3.18	3823	6.35
			SupraMarginal_R	27.42	62	2.91	1974
39	–73	28	Occipital_Mid_R	47.41	270	20.59	2098	5.74
66	–40	37	SupraMarginal_R	95.65	23	3.76	1974	4.89
15	–61	67	Parietal_Sup_R	65.22	23	2.28	2222	4.57
–66	–34	34	SupraMarginal_L	55.56	27	4.03	1256	4.57
24	–4	64	Frontal_Sup_R	100.00	22	1.83	4056	4.56
–36	–28	37	Postcentral_L	51.11	90	3.99	3892	4.47
–24	–1	64	Frontal_Sup_L	64.00	25	1.50	3599	4.35
			Frontal_Mid_L	28.00	25	0.49	4863
42	14	4	Frontal_Inf_Oper_R	50.00	12	1.45	1399	4.30
			Insula_R	33.33	12	0.76	1770
			Frontal_Inf_Tri_R	16.67	12	0.31	2151
–12	–79	46	Parietal_Sup_L	56.41	39	3.60	2065	4.24
9	–37	43	Cingulum_Mid_R	92.31	13	1.84	2203	4.15
–33	44	34	Frontal_Mid_L	100.00	18	1.25	4863	3.80
–27	–49	49	Parietal_Inf_L	90.00	10	1.24	2447	3.78

Table shows the first local maximum per cluster. The activation map of the group analysis was obtained with the space threshold < 10 voxels as the statistical difference threshold. An uncorrected P-value < 0.005 was considered statistically significant.