Table 3.
Comparison of stress- and vowel quality-related activation.
| Contrast | Brain region (BA) | TC (x, y, z) | Cluster size | z score | ||
|---|---|---|---|---|---|---|
| Conjunction* | LH superior temporal gyrus (BA22) | -48 | -20 | 8 | 264 | 6.61 |
| Stress - baseline and | RH superior temporal gyrus (BA 22) | 63 | -25 | 0 | 236 | 6.54 |
| Vowel quality vs. Baseline | RH insula | 30 | 23 | 5 | 20 | 5.87 |
| LH insula | -33 | 20 | 3 | 27 | 5.84 | |
| LH putamen | -25 | 3 | -3 | 60 | 5.71 | |
| RH putamen | 25 | 3 | 5 | 17 | 5.38 | |
| LH supplementary motor area (BA 6) | 0 | 0 | 65 | 114 | 6.14 | |
| RH cerebellum | 30 | -65 | -25 | 24 | 6.17 | |
| LH cerebellum | -28 | -68 | -25 | 21 | 6.04 | |
| Stress - vowel quality | LH inferior frontal gyrus (BA 47) | -48 | 18 | -8 | 17 | 4.36 |
| RH inferior frontal gyrus (BA 44) | 53 | 15 | 20 | 36 | 4.33 | |
| RH inferior frontal gyrus (BA 45) | 50 | 23 | -5 | 15 | 4.06 | |
| RH superior temporal gyrus (BA 22) | 58 | -35 | 18 | 14 | 3.73 | |
| RH middle temporal gyrus (BA 21) | 50 | -23 | -5 | 25 | 3.80 | |
| RH superior frontal gyrus (BA 6) | 8 | 0 | 68 | 39 | 4.89 | |
| Non-identical pairs: | RH middle temporal gyrus (BA 21) | 55 | -43 | 8 | 93 | 5.41 |
| Stress - vowel quality | LH inferior temporal gyrus (BA 21) | -43 | -3 | -20 | 23 | 4.47 |
| LH inferior frontal gyrus (BA 47) | -48 | 18 | -8 | 36 | 4.66 | |
| RH inferior frontal gyrus (BA 45) | 53 | 23 | -5 | 43 | 4.52 | |
| RH inferior frontal gyrus (BA 44) | 50 | 13 | 20 | 60 | 4.02 | |
| RH superior temporal gyrus (BA 22) | 55 | -25 | -3 | 26 | 3.81 | |
| LH superior temporal gyrus (BA 22) | -50 | -40 | 20 | 25 | 3.71 | |
| LH insula | -33 | 20 | 8 | 34 | 4.32 | |
| RH intraparietal sulcus (BA 7) | 43 | -45 | 60 | 18 | 3.91 | |
| RH intraparietal sulcus (BA 7) | 43 | -40 | 50 | 14 | 3.64 | |
| RH postcentral gyrus (BA 1) | 48 | -23 | 50 | 54 | 4.10 | |
| RH superior frontal gyrus (BA 6) | 8 | 3 | 68 | 50 | 5.34 | |
| LH middle frontal gyrus (BA 6) | -40 | 0 | 55 | 14 | 3.95 | |
| RH middle frontal gyrus (BA 8) | 45 | 8 | 40 | 19 | 3.71 | |
| LH cingulate gyrus (BA 32) | -5 | 18 | 40 | 87 | 5.07 | |
| Identical pairs: | LH intraparietal sulcus (BA 7) | -35 | -65 | 43 | 16 | 3.74 |
| Vowel quality - stress | ||||||
*p < .05, FWE-corrected; p < .001, uncorrected; cluster size = 12 voxels; masks were created at uncorrected p < .05; MNI: Montreal Neurological Institute coordinates.