Table 1. Most important gray and adjacent white matter regions discriminating between heavy smokers and controls.
Lobe | Brain Regions | Wi | MNI Coordinates | ||
X | Y | Z | |||
Gray Matter | |||||
Nonsmokers minus smokers | |||||
Frontal lobe | Frontal subgyral | 7.25 | −38 | 12 | 24 |
Superior Frontal Gyrus | 8.35 | 28 | 42 | 16 | |
Precentral Gyrus | 9.25 | 14 | −28 | 72 | |
Anterior Cingulate | 5.47 | −14 | 46 | 6 | |
Temporal lobe | Cortex | 7.36 | 44 | −50 | −12 |
Parietal lobe | Fusiform Gyrus | 7.81 | −38 | −52 | 34 |
Supramarginal Gyrus | 8.19 | −10 | −42 | 34 | |
Occipital lobe | Precuneus | 11.01 | 24 | −88 | 12 |
Other | Middle Occipital Gyrus | 8.38 | −28 | −40 | −46 |
Cerebellum Tonsil | 7.40 | 28 | −40 | −50 | |
Gray Matter | |||||
Smokers minus nonsmokers | |||||
Frontal lobe | Postcentral Gyrus | 6 | 46 | −24 | 42 |
Temporal lobe | Superior Temporal | 5.73 | 60 | −20 | 0 |
Parietal lobe | Gyrus | 6.24 | −22 | −78 | 30 |
Cuneus | 6.52 | −26 | −65 | −2 | |
Occipital lobe | Lingual Gyrus | 6.06 | 18 | 6 | −20 |
Other | Parahippocampa Gyrus | 6.04 | −10 | −32 | −36 |
Pons | 6.39 | 2 | −58 | 4 | |
Posterior Cingulate | |||||
cortex | |||||
White Matter | |||||
Nonsmokers minus smokers | |||||
Frontal lobe | Medial Frontal Gyrus | 6.10 | −12 | 44 | 32 |
7.03 | 24 | 36 | 34 | ||
Temporal Gyrus | Inferior Temporal | 7.78 | −40 | −12 | −34 |
Parietal lobe | Gyrus | 11.03 | −28 | −60 | 34 |
Precuneus | 8.25 | 24 | −80 | −8 | |
Occipital lobe | Lingual Gyrus | 8.15 | −28 | −62 | −4 |
Other | Middle Occipital Gyrus | 6.86 | −22 | −56 | −46 |
Cerebellar Tonsil | 9.99 | −10 | −32 | −38 | |
Pons | |||||
White Matter | |||||
Smokers minus nonsmokers | |||||
Frontal lobe | Anterior Cingulate | 7.30 | −12 | 44 | 6 |
Cortex | 7.45 | −10 | −42 | −2 | |
Temporal lobe | Midcingulate Cortex/ | 9.53 | 44 | −50 | 16 |
Parietal Lobe | Superior Temporal | 8.93 | 34 | −42 | 40 |
Occipital lobe | Cortex | 9.71 | 28 | −86 | 12 |
Other | Inferior Parietal Cortex | 5.62 | 22 | 18 | 52 |
Middle Occipital Gyrus | 5.72 | −20 | 18 | −4 | |
Putamen |
Wi, weight of each cluster centroid i.