TABLE 5a.
Positive correlations between stuttering frequency and brain activity in the PWS group. Talairach coordinates are provided for regions where voxel clusters ( ≥ 10; p <.005) were significantly and positively correlated with stuttering frequency following a conjoint analysis of MON+ORA for the PWS group. Local maxima coordinates shown with cluster size. Z scores showing the relative intensity of regions functionally related to stuttering frequency are shown in Figure 4.
| Z score | Region | X | Y | Z | Cluster |
|---|---|---|---|---|---|
| 5.62 | Thalamus | -23 | -26 | 1 | 35 |
| 5.40 | Precentral gyrus (4) M1 | 62 | -7 | 35 | 131 |
| 5.37 | SMA (6) | 4 | -16 | 61 | 38 |
| 5.25 | Posterior insula (13) | 34 | -35 | 16 | 183 |
| 5.08 | Caudate | -22 | -17 | 22 | 125 |
| 4.96 | Superior temporal gyrus (22) | -53 | -40 | 14 | 176 |
| 4.93 | Claustrum | -25 | -26 | 18 | 51 |
| 4.15 | Lateral globus pallidus | 21 | -11 | 2 | 40 |
| 4.09 | Lingual gyrus (18) | -5 | -84 | -6 | 14 |
| 3.96 | Medial globus pallidus | -18 | -12 | -3 | 15 |