TABLE 4.
Descriptive statistics for ERP latency data under placebo.
| Ketamine | NT: HR | NT: LR | NT: TO | ND: HR | ND: LR | PD: HR | PD: LR |
|---|---|---|---|---|---|---|---|
| N | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Mean Lat. in ms | 281.8 | 265.5 | 273.7 | 250.0 | 261.0 | 333.9 | 333.7 |
| Std. Dev. | 24.8 | 21.3 | 14.1 | 18.1 | 24.3 | 25.7 | 25.6 |
| Max. | 318.0 | 298.0 | 298.0 | 284.0 | 310.0 | 370.0 | 378.0 |
| Min. | 234.0 | 210.0 | 254.0 | 218.0 | 220.0 | 282.0 | 288.0 |
HR, high reward; LR, low reward; TO, target-only; Lat., latency; NT, target negativity; ND, distractor negativity; PD, distractor positivity; Std. Dev., standard deviation.