Table 5.
Mean (SD) RT and accuracy (averaged across sessions) for the Flanker task.
| Flanker task | Mean (SD) |
|---|---|
| A) Behavioral performance | |
| Incongruency RT** | |
| RT incongruent | 390.10 (38.45) |
| RT congruent | 309.75 (44.47) |
| Incongruency effect | 80.34 (31.24) |
| Incongruency accuracy** | |
| Accuracy incongruent | 0.865 (0.138) |
| Accuracy congruent | 0.989 (0.012) |
| Incongruency effect | 0.125 (0.133) |
| Gratton RT* | |
| C-I trialsa | 390.43 (38.02) |
| I-I trialsb | 384.56 (39.95) |
| Gratton effect | 5.88 (7.14) |
| Gratton accuracy* | |
| C-I trialsa | 0.854 (0.145) |
| I-I trialsb | 0.933 (0.073) |
| Gratton effect | 0.080 (0.093) |
| B) Event-related potentials | |
| N2 (244–332 ms)* | |
| Incongruent | −0.14 (2.34) |
| Congruent | 0.58 (1.92) |
*
Significant difference between conditions p<0.005.
**
Significant difference between conditions p<0.001.
a
Incongruent trials following congruent trials.
b
Incongruent trials following incongruent trials.