Table 2.

Significant group difference in whole brain activation results in response to odor cues.

Contrast	Cluster	Z-max	p-value	Voxel	MNI	Anatomy
CV+PTSD > CV-PTSD
BR > PG	4	3.47	5.00E-05	803	40, − 30, 22	R parietal operculum (2° somatosensory ctx)
					54, − 18, 26	R postcentral gyrus (1° somatosensory ctx)
					50, − 28, 22	R parietal operculum (2° somatosensory ctx)
					44, − 14, 18	R central operculum (2° somatosensory ctx)
					36, − 30, 48	R postcentral gyrus (1° somatosensory ctx)
					44, − 32, 50
	3	3.27	0.000499	620	− 28, − 70, 26	L lateral occipital (superior division)
					− 36, − 72, 26
					− 22, − 62, 28	L precuneous
					− 38, − 78, 32	L lateral occipital (superior division)
					− 40, − 74, 18
					− 18, − 68, 28	L precuneous
	2	3.34	0.000547	613	− 48, − 36, 54	L postcentral gyrus (1° somatosensory ctx)
					− 42, − 26, 30	L cerebral white matter
					− 46, − 24, 20	L parietal operculum (2° somatosensory ctx)
					− 58, − 28, 22
					− 52, − 30, 52	L postcentral gyrus (1° somatosensory ctx)
					− 58, − 26, 30	L supramarginal gyrus
	1	3.23	0.0132	388	0, − 46, 56	Precuneous
					12, − 36, 56	R postcentral gyrus (1° somatosensory ctx)
					6, − 46, 58	R precuneous
					10, − 46, 56
					10, − 50, 62
					− 14, − 60, 56	L lateral occipital (superior division)
LAV > PG	no clusters survived thresholding
BR > LAV	no clusters survived thresholding
CV-PTSD > CV+PTSD
BR > PG	no clusters survived thresholding
LAV > PG	no clusters survived thresholding
BR > LAV	no clusters survived thresholding

All analyses completed using cluster thresholding (Z > 2.3 and corrected cluster threshold of p < 0.05) at individual and group levels.

Z-MAX is the local maximum Z value.

Voxel is the number of activated voxel within each cluster.

MNI (x, y, z) are the MNI coordinates for the local maximum.

Anatomy is the Harvard-Oxford Cortical and Subcortical Structural Atlases for the local maximum (or closet label to maximum).