Table 2.

Statistical comparison of current source density at the mirrored letters between the high-altitude and the low-altitude groups during the mental rotation task (t-value from highest to lowest).

	Region	Brodmann area	t-value
Mirrored letters	Parietal lobe	2	−6.80
	Parietal lobe	3	−6.79
	Frontal lobe	4	−6.79
	Frontal lobe	6	−6.70
	Limbic lobe	24	−6.49
	Limbic lobe	31	−6.44
	Parietal lobe	40	−6.39
	Temporal lobe	22	−6.16
	Temporal lobe	41	−6.11
	Temporal lobe	42	−6.09
	Limbic lobe	23	−6.01
	Temporal lobe	21	−5.77
	Frontal lobe	43	−5.72
	Frontal lobe	9	−5.72
	Limbic lobe	32	−5.70
	Frontal lobe	44	−5.69
	Limbic lobe	33	−5.60
	Temporal lobe	13	−5.56
	occipital lobe	18	−5.12
	Parietal lobe	7	−5.11
	Frontal lobe	11	−5.10
	Temporal lobe	38	−5.10
	Frontal lobe	10	−5.09
	Frontal lobe	5	−5.08