Table 3.
HFA contacts
| Subject | Side | Region | Peak HFA Epoch, s |
|---|---|---|---|
| 1 | Left | Precentral | 3 |
| 1 | Right | N/A | N/A |
| 2 | Left | Precentral | 3 |
| 3 | Left | Frontal | 2 |
| 4 | Left | Postcentral | 3 |
| 4 | Right | Postcentral | 3 |
| 5 | Left | Precentral | 3 |
| 5 | Right | Parietal | 3 |
| 6 | Left | Postcentral | 3 |
| 7 | Left | Postcentral | 3 |
| 7 | Right | N/A | N/A |
| 8 | Left | Postcentral | 3 |
| 9 | Left | Precentral | 3 |
| 9 | Right | Postcentral | 3 |
| 10 | Left | Frontal | 3 |
| 11 | Left | Precentral | 3 |
| 11 | Right | Precentral | 3 |
The presence of high-frequency activation (HFA) ECoG electrode contacts was tested in each hemisphere, in each subject (see methods). The anatomical region, as well as the time epoch relative to movement onset, is shown for each HFA contact. N/A indicates that no contact met the criteria for HFA.