Table 3.
Talairach coordinates of the sources estimated using BESA analysis
| X | Y | Z | |
|---|---|---|---|
| Median nerve stimulation | |||
| N20m (n = 13, area 3b) | −44.3 ± 3.7 | −16.7 ± 4.7 | 47.5 ± 3.8 |
| Active movement | |||
| MEF1 (n = 13, area 4) | −37.4 ± 4.0 | −13.6 ± 5.9 | 51.4 ± 7.5 |
| Passive movement | |||
| Source 1 (n = 13, area 4) | −39.6 ± 3.4 | −14.1 ± 4.4 | 49.7 ± 3.5 |
| Source 2 (n = 12, SMA) | −11.1 ± 4.7 | −13.0 ± 5.2 | 65.9 ± 4.4 |
| Source 3 (n = 7, PPC) | −24.6 ± 4.7 | −42.0 ± 5.4 | 56.4 ± 5.4 |
| Source 4 (n = 7, cS2) | −49.6 ± 4.7 | −14.1 ± 5.0 | 25.0 ± 4.1 |
| Source 5 (n = 7, iS2) | 50.4 ± 3.1 | −9.7 ± 2.7 | 27.8 ± 2.9 |
Data are represented as (mean ± SD, mm).
BESA, brain electrical source analysis; MEF1, movement-evoked magnetic field 1; SMA, supplementary motor area; PPC, posterior parietal cortex; cS2, contralateral secondary somatosensory cortex; iS2, ipsilateral secondary somatosensory cortex; SD, standard deviation.