Cerebrovascular reactivity among native-raised high altitude residents: an fMRI study

BMC Neuroscience

Table 2 Detailed information of the clusters showing significant group differences.

Measurements	Area	Volume (mm3)	BA		Talairach (peak)			t-value
					x	y	z
GLM	Primary motor cortex	6854	6	L	21.7	3.9	54.2	-6.77
	Lingual gyrus	5611	18	R	-24.1	76.1	-8	-4.37
	Thalamus	2544		R	-16.8	18.5	-5.2	-3.82
	Precuneus	2364	7	L	30.4	47.4	44.4	-3.48
	Fusiform gyrus	1681	37	L	41.8	44.6	-17.8	-4.13
	Somatosensory association cortex	1501	5	R	-2.1	45.4	70.5	-4.01
	Precuneus	1445	7	R	-32.3	63.5	49.3	-3.47
	Cingulate gyrus	1441	23	R	-13.1	12.1	29.4	-3.00
	Anterior cingulate cortex	1251	24	R	-6	-27.7	-3.5	2.79
	Posterior cingulate cortex	995	29	R	-2	41	20.5	-3.44
	Middle temporal gyrus	938	39	L	57.3	63.7	9.5	3.68
	Primary motor cortex	904	6	R	-31.5	10.8	65.5	-3.55
	Anterior cingulate cortex	872	38	L	41.4	-19.9	-24.8	3.56
	Caudate	819		R	-0.6	-5.7	16.8	-2.78
Response delay	Superior frontal gyrus	2673	8	R	-13.5	-46.5	35.5	-3.144
	Superior temporal gyrus	1971	38	L	34.5	-19.5	-27.5	-4.197
	Postcentral gyrus	1944	6	L	55.5	7.5	11.5	-3.000
	Cerebellar tonsil	1377		R	-10.5	64.5	-39.5	-2.9166
	Insula	1296	13	R	-40.5	19.5	-0.5	-4.0758
	Insula	1242	13	L	49.5	-1.5	-24.5	-3.2954
	Precuneus	1134	7	R	-13.5	64.5	35.5	-3.1364
	Medial frontal gyrus	999	10	R	-10.5	-64.5	11.5	-3.6894
	Superior frontal gyrus	972	6	R	-10.5	-13.5	59.5	-2.9774
	Superior temporal gyrus	837	38	R	-43.5	-16.5	-27.5	-3.5607

Negative t values indicate decreased activation or longer response delay among the HA group. These clusters are also displayed in Figure 1 and Figure 3.

ISSN: 1471-2202