Table 5.
Results from repeated measures Group (CMP, CO) by Run (Pain+CStroop, CStroop-Only) functional magnetic resonance imaging analysis examining the effect of experimental pain during completion of the congruent Stroop task
Region in focus point | Hemisphere | Peak MNI coordinates | Number of voxels in cluster | ||
---|---|---|---|---|---|
x | y | z | |||
Insula | Right | 39 | −8 | 0 | 197 |
Frontal pole | Right | 42 | 36 | 15 | 756 |
20 | 44 | 30 | |||
33 | 44 | 21 | |||
Planum temporale | Right | 57 | −26 | 14 | 404 |
63 | −33 | 20 | |||
Post-central gyrus | 58 | −9 | 22 | ||
Frontal pole | Right | 27 | 38 | −14 | 171 |
39 | 38 | −9 | |||
Frontal orbital cortex | 34 | 32 | −12 | ||
Middle frontal gyrus | Right | 30 | 4 | 50 | |
Precentral gyrus | 36 | 4 | 30 | 662 | |
46 | −2 | 38 | |||
Paracingulate gyrus | Right | 12 | 16 | 36 | 140 |
Cingulate gyrus (anterior division) | 12 | 26 | 26 | ||
10 | 4 | 34 |
Note: All findings reported here survived corrections for multiple comparisons (voxelwise p <.005) and cluster thresholding (> 98 contiguous voxels). CMP: chronic musculoskeletal pain; CO: healthy control.