Table 2.
Measurements and statistics of sROIs in Experiment 2.
| Subject / modality |
sROI | Peak activation region | Visual-tactile alignment | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Surface area (mm2) |
Vertices | Voxels | Total volume (mm3) |
Surface area (mm2) | Voxels | Average Talairach coordinates |
Average p-value* |
Overlapping vertices (%)† |
Circular correlation coefficient, p-value‡ |
|||
| 6 / Visual | 222.3 | 545 | 172 | 928.8 | 15.6 | 18 | (34.3, −37.5, 64.6) | 9.7×10−10 | 82.2 | 0.38, p < 4.03×10−11 | ||
| 6 / Tactile | 14 | 16 | (31.1, −38.0, 65.8) | 1.3×10−14 | ||||||||
| 7 / Visual | 496.4 | 1012 | 118 | 637.2 | 13.5 | 8 | (32.1, −41.8, 62.5) | 7.5×10−15 | 30.93 | 0.66, p = 0 | ||
| 7 / Tactile | 20.3 | 10 | (35.0, −43.3, 63.1) | 3.8× 10−5 | ||||||||
| 8 / Visual | 176.6 | 347 | 96 | 518.4 | 14.9 | 13 | (24.0, −36.9, 57.7) | 1.0× 10−5 | 78.1 | 0.06, p = 1 (n.s.) | ||
| 8 / Tactile | 14.1 | 10 | (24.3, −37.3, 58.1) | 0 | ||||||||
See corresponding sROI (dashed black contours) and peak activation regions (thin yellow contours) in Fig. 3. Volume per voxel: 5.4 mm3;
*
: FDR corrected;
†
: percentage of vertices in an sROI with p < 0.05 (uncorrected) in both modalities;
‡
: Bonferroni-corrected p-value estimated from overlapping vertices only; n.s.
not significant.