| in order to provide bipolar stimulation | 3 | purpose |
| together | 2 | manner |
| preferably | 2 | degree |
| electrode → be → paired | 10 |
| electrode → be arranged in → pair | 5 |
| electrode → be placed in → pair | 3 |
| negative | neutral | positive |
| 0.043 | 0.887 | 0.070 |
| Raw frequency | 18 |
| Normalized frequency | 0.352 |
| Modifier score | 0.500 |
| Perplexity | 142.750 |