Voxel-wise correlations between cognition and cerebral blood flow using arterial spin-labeled perfusion MRI in patients with Alzheimer’s disease: a cross-sectional study

Table 2 Summary of voxel-wise CBF correlations with MMSE

Modality	Anatomic label	x	y	z	t statistic	z score	Voxels
PLD_1.5	R PCC	6	−30	44	4.65	4.11	209
PLD_1.5	R gyrus rectus	6	30	−26	4.20	3.79	97
PLD_2.5	R IPL	56	−50	−42	4.30	3.85	258
	R inferior temporal	54	−54	−12	4.20	3.78	82
	SPL	0	−42	56	4.20	3.78	80
	R fusiform gyrus	38	−36	−26	4.17	3.76	45
SPECT	R PCC	4	−38	38	5.05	4.15	361
	R PGp (IPL)	44	−54	48	4.93	4.08	341
	L PGa (IPL)	−44	−60	32	3.85	3.38	163
	R PGa (IPL)	50	−58	28	4.15	3.58	95
	L inferior parietal	−36	−46	42	4.13	3.57	90

Voxel coordinates represent the peak voxel in local maxima, coordinates are expressed in Montreal Neurological Institute stereotactic space. P < 0.001, uncorrected. The regions with the extent under the expected voxels per cluster were omitted
R right, L left, PCC posterior cingulate cortex, IPS intraparietal sulcus, IPL inferior parietal lobule, SPL superior parietal lobule, PGa anterior angular gyrus, PGp: posterior angular gyrus

ISSN: 1471-2377