Table 3.
Brain regions and activation peaks showing convergence in deactivation for the main effects for physiological and psychosocial stress as well as for the contrasts deactivation in physiological vs. psychosocial and psychosocial vs. physiological stress.
| Contrasts | Cluster | Macroanatomical location | Cytoarchitectonic location | X | Y | Z | t value |
|---|---|---|---|---|---|---|---|
| Deactivation Physiological | |||||||
|
| |||||||
| Cluster 1 (k=107) | Right Paracentral Lobule | Area 4a | 2 | -28 | 64 | = 5.29 | |
|
|
|||||||
| Deactivation Psychosocial | |||||||
|
| |||||||
| Cluster 1 (k=148) | Left Caudate Nucleus | -10 | 18 | -6 | = 4.73 | ||
|
|
|||||||
| Left Putamen | -18 | 14 | -4 | = 3.99 | |||
| Contrast Deactivation Physiological>Psychosocial | |||||||
|
| |||||||
| Cluster 1 (k=45) | Medial Frontal Gyrus | 0 | -30 | 58 | = 2.96 | ||
| Right Paracentral Lobule | Area 4a | 2 | -30 | 62 | = 2.30 | ||
| Left Paracentral Lobule | 0 | -26 | 62 | = 1.90 | |||
| Right SMA | 4 | -24 | 62 | = 1.81 | |||
| Right Paracentral Lobule | Area 4a | 4 | -30 | 66 | = 1.73 | ||
|
|
|||||||
| Contrast Deactivation Psychosocial>Physiological | |||||||
|
| |||||||
| Cluster 1 (k=67) | Left Caudate Nucleus | -14 | 20 | -4 | = 2.30 | ||
| -10 | 20 | -8 | = 1.99 | ||||
| -6 | 20 | -4 | = 1.94 | ||||
Note. Coordinates x, y, z of local maxima refer to Montreal Neurological Institute space (MNI) (k>10). k=number of voxels in cluster.
a
References for histological assignments: Area 4a: Geyer et al. (1996).