Table 4. Activation in auditory cortex during speech stimulation versus multi-tone complex stimulation.
| Patient no., auditory implant, speech score | Activation in PET a | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Side | x b | y b | z b | Z value | T value | BA41 c | BA42 c | BA22 c | BA21 c | |
| No. 1, CI left, 82% | left | -70 | -38 | 4 | 5.22 | 14.23 | 0 | 0 | 959 | 1414 |
| right | 64 | -10 | 0 | 5.75 | 20.01 | 0 | 0 | 846 | 1216 | |
| No. 2, ABI 1 left, 58% | left | -64 | -50 | 12 | 4.14 | 9.28 | 0 | 59 | 365 | 394 |
| right | 58 | 2 | 52 | 5.11 | 18.59 | 0 | 415 | 1358 | 1510 | |
| No. 3, ABI 2 left, 55% | left | -74 | -30 | 16 | 6.62 | 30.30 | 0 | 0 | 991 | 1437 |
| right | 34 | 42 | -30 | 5.16 | 12.19 | 0 | 0 | 343 | 448 | |
| No. 5, AMI 2 left, 0% | left | -68 | -54 | -14 | 5.32 | 15.10 | 256 | 407 | 1145 | 2259 |
| right | 64 | -50 | 14 | 4.43 | 8.88 | 0 | 133 | 256 | 154 | |
a Threshold for statistical inferences: p<0.001.
b MNI coordinates.
c Voxels in Brodmann Areas.