Number (percentage) of neurons that showed significant effects of NRM, OP, and RT on their activity in a linear regression model
| Positive | Negative | Not significant | ||
|---|---|---|---|---|
| SMA | NRM | 35 (30.7) | 45 (39.5) | 34 (29.8) |
| OP | 43 (37.7) | 24 (21.0) | 47 (41.2) | |
| RT | 25 (21.9) | 51 (44.7) | 38 (33.3) | |
| Pre-SMA | NRM | 55 (47.0) | 36 (30.8) | 26 (22.2) |
| OP | 25 (21.4) | 31 (26.5) | 61 (52.1) | |
| RT | 32 (27.4) | 30 (25.6) | 55 (47.0) |