Table 3 Clusters of significant gray matter reduction in patients with chronic migraine vs. healthy controls using uncorrected maps at p < 0.005
From: Cerebral gray matter volume in patients with chronic migraine: correlations with clinical features
Anatomical regions | Brodmann area | Cluster extent (mm3) | Montreal Neurological Institute coordinates (x, y, z) | Peak Z Score | T value | P value (cluster level p uncorrected) |
|---|---|---|---|---|---|---|
Cluster 1 | Â | 1624 | Â | Â | Â | 0.0085 |
 R Cerebellum (lobule VIIIa) |  |  | 27, −48, −48 | 4.01 | 4.53 |  |
 R Cerebellum (Crus II) |  |  | 45, −64, −48 | 3.01 | 3.22 |  |
Cluster 2 | Â | 1707 | Â | Â | Â | 0.0073 |
 L Middle temporal gyrus | BA21 |  | −58, −32, 0 | 3.75 | 4.17 |  |
Cluster 3 | Â | 1620 | Â | Â | Â | 0.009 |
 L Amygdala |  |  | −20, 2, −19 | 3.67 | 4.06 |  |
 L Temporal pole | BA38 |  | −27, 7, −25 | 3.62 | 4.0 |  |
 L Pallidum |  |  | −18, 0, 3 | 3.48 | 3.81 |  |
 L Orbitofrontal cortex | BA11 |  | −10, 30, −18 | 2.73 | 2.94 |  |
Cluster 4 | Â | 582 | Â | Â | Â | 0.037 |
 L Primary occipital cortex | BA17 |  | −9, −74, 10 | 3.83 | 3.25 |  |
 L visual association area | BA18 |  | −14, −90, 16 | 3.64 | 3.5 |  |