Table 2.
Tinnitus group: Amygdala response to the “salient>neutral” contrast (p < 0.05 uncorrected).
| Subject No. | Peak voxel co-ordinates and associated statistics | Localization probability | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| x | y | z | T-stat | Z-score | T2* intensity | Cluster size | LB | SF | CM | |
| LEFT AMYGDALA | ||||||||||
| 1 | –24 | –14 | –8 | 2.19 | 2.17 | 35.07 | 24 | 20 | 30 | 40 |
| 6 | –26 | –6 | –30 | 2.75 | 2.7 | 26.95 | 7 | 50 | 0 | 0 |
| 17 | –22 | –10 | –24 | 3.01 | 2.94 | 59.42 | 36 | 100 | 10 | 0 |
| 19 | –20 | –8 | –12 | 2.41 | 2.38 | 29.54 | 10 | 80 | 100 | 20 |
| 24 | –22 | –6 | –16 | 3.29 | 3.2 | 50.14 | 133 | 60 | 50 | 10 |
| 25 | –26 | 2 | –28 | 2.68 | 2.63 | 34.64 | 71 | 0 | 0 | 0 |
| 29 | –26 | –6 | –24 | 1.93 | 1.91 | 20.62 | 2 | 100 | 0 | 0 |
| 30 | –30 | –2 | –18 | 1.63 n.s | 1.63 n.s | 57.08 | 4 | 20 | 0 | 0 |
| 34 | –34 | –2 | –22 | 2.4 | 2.36 | 40.93 | 4 | 0 | 0 | 0 |
| 45 | –16 | 0 | –18 | 2.94 | 2.87 | 55.26 | 9 | 10 | 0 | 0 |
| 54 | –32 | –6 | –32 | 2.44 | 2.39 | 41.64 | 16 | 0 | 0 | 0 |
| 74 | –28 | –6 | –20 | 3.88 | 3.72 | 57.78 | 134 | 100 | 0 | 0 |
| Average | 42.42 | |||||||||
| SD | 13.35 | |||||||||
| RIGHT AMYGDALA | ||||||||||
| 1 | 26 | –2 | –18 | 2.4 | 2.37 | 55.21 | 17 | 10 | 10 | 0 |
| 6 | 32 | –10 | –10 | 2.55 | 2.51 | 55.45 | 3 | 60 | 20 | 0 |
| 17 | 18 | –6 | –20 | 2.44 | 2.4 | 65.28 | 17 | 0 | 10 | 0 |
| 19 | 28 | –14 | –8 | 2.83 | 2.77 | 43.75 | 10 | 40 | 20 | 20 |
| 24 | 32 | –2 | –36 | 3.41 | 3.31 | 37.96 | 42 | 10 | 0 | 0 |
| 25 | 30 | 2 | –24 | 2.95 | 3.88 | 57.84 | 43 | 0 | 0 | 0 |
| 29 | 30 | 4 | –32 | 1.49 n.s | 1.49 n.s | 0 | 2 | 10 | 0 | 0 |
| 30 | 28 | –2 | –18 | 1.84 | 1.83 | 69.45 | 3 | 30 | 10 | 0 |
| 34 | 30 | –4 | –22 | 3.05 | 2.97 | 49.25 | 79 | 70 | 0 | 0 |
| 45 | 24 | –4 | –12 | 2.47 | 2.43 | 60.07 | 10 | 20 | 60 | 0 |
| 54 | 20 | –10 | –12 | 2.23 | 2.19 | 59.98 | 10 | 10 | 80 | 0 |
| 74 | 20 | –8 | –12 | 2.27 | 2.23 | 45 | 15 | 0 | 80 | 0 |
| Average | 49.93 | |||||||||
| SD | 18.19 | |||||||||
| (T-stat of 1.66/p = 0.049) | ||||||||||
Statistical outputs are reported for each individual's peak voxel amygdala co-ordinates (across hemispheres). Amygdala subnuclei: SF, superficial; CM, centromedial; LB, laterobasal. n.s, not significant (p > 0.05).